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) - Significant Other Observable Inputs (Level 2) [Member] - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Assets:    
Cash surrender value of life insurance policies $ 31,039 $ 29,055
Total assets 31,039 29,055
Liabilities:    
Cash flow swaps designated as hedges 16,770 9,094
Cash flow swaps not designated as hedges 681 913
Deferred compensation plan 13,885 13,551
Total liabilities $ 31,336 $ 23,558