Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Assets and Liabilities Recorded at Fair Value (Detail)

v3.5.0.2
Fair Value Measurements - Assets and Liabilities Recorded at Fair Value (Detail) - Fair Value Based on Significant Other Observable Inputs (Level 2) [Member] - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Assets:    
Cash surrender value of life insurance policies $ 31,073 $ 29,055
Total assets 31,073 29,055
Liabilities:    
Cash flow swaps designated as hedges 12,573 9,094
Cash flow swaps not designated as hedges 507 913
Deferred compensation plan 14,274 13,551
Total liabilities $ 27,354 $ 23,558