Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Additional Information (Detail)

v3.6.0.2
Employee Benefit Plans - Additional Information (Detail)
3 Months Ended 12 Months Ended
Jun. 30, 2015
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Jun. 30, 2012
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Dec. 31, 2016
USD ($)
Plans
Members
Employer
shares
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of active stock compensation plans | Plans     3    
Additional terminated plans with outstanding grants | Plans     1    
Restricted stock shares | shares     750,000    
Number of employers obligated to make contribution under multiemployer plan | Employer     149    
Pension Protection     2006 2006 2006
Number of employee increase / (decrease) under multiemployer benefit percentage     2.60% 4.80%  
Total contributions of multi employer Plan       5.00% 5.00%
Plans In Red Zone [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Multiemployer Benefit AI Pension Plan     Less than 65 percent    
Plans In Yellow Zone [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Multiemployer Benefit AI Pension Plan     Between 65 and less than 80 percent    
Plans In Green Zone [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Multiemployer Benefit AI Pension Plan     At least 80 percent    
Supplemental Employee Retirement Plans, Defined Benefit [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Members of senior management | Members     12    
Stock Option [Member] | Selling, General and Administrative Expenses [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Compensation expense | $     $ 0 $ 0 $ 0
Non-vested Restricted Stock Awards and Restricted Stock Units [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Compensation expense not yet recognized | $     $ 34,700,000    
Total compensation cost related to non-vested options expected to be recognized over weighted average period     8 years 6 months    
Restricted Stock Awards and Restricted Stock Units [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Tax benefits recognized related to compensation expense | $     $ 4,200,000 3,700,000 2,900,000
Restricted Stock Awards and Restricted Stock Units [Member] | Selling, General and Administrative Expenses [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Compensation expense | $     11,200,000 9,800,000 7,700,000
401(k) plan [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Employer contribution | $     $ 8,000,000 $ 7,700,000 $ 7,400,000
2012 Plan [Member] | Restricted Stock Units [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock award vesting period     3 years    
2012 Plan [Member] | Restricted Stock Units [Member] | Executive Officer and Other Key Associates [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Restricted stock shares | shares     725,000    
2012 Plan [Member] | Common Class A [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of shares authorized | shares 4,000,000 2,000,000      
2012 Formula Plan [Member] | Restricted Stock [Member] | Director [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Restricted stock shares | shares     25,000    
2012 Formula Plan [Member] | Common Class A [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of shares authorized | shares   300,000      
2004 Stock Incentive Plan and 2012 Formula Plan [Member] | Common Class A [Member] | Stock Option [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock option expiration period     10 years    
2004 Stock Incentive Plan and 2012 Formula Plan [Member] | Common Class A [Member] | Stock Option [Member] | Minimum [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock award vesting period     6 months    
2004 Stock Incentive Plan and 2012 Formula Plan [Member] | Common Class A [Member] | Stock Option [Member] | Maximum [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock award vesting period     3 years    
2004 Stock Incentive Plan and 2012 Formula Plan [Member] | Common Class A [Member] | Non-vested Restricted Stock Awards and Restricted Stock Units [Member] | Minimum [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock award vesting period     1 year    
2004 Stock Incentive Plan and 2012 Formula Plan [Member] | Common Class A [Member] | Non-vested Restricted Stock Awards and Restricted Stock Units [Member] | Maximum [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock award vesting period     3 years