Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Status of Supplemental Executive Retirement Plan (Parenthetical) (Detail)

v3.6.0.2
Employee Benefit Plans - Status of Supplemental Executive Retirement Plan (Parenthetical) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Other long-term liabilities $ 61,170 $ 64,245
Other accrued liabilities 236,982 $ 218,507
Supplemental Employee Retirement Plans, Defined Benefit [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Other long-term liabilities 11,000  
Other accrued liabilities $ 300