Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
Fair Value Measurements - Assets and Liabilities Recorded at Fair Value (Detail) - Significant Other Observable Inputs (Level 2) [Member] - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Assets:    
Cash surrender value of life insurance policies $ 28,637 $ 29,055
Total assets 28,637 29,055
Liabilities:    
Cash flow swaps designated as hedges 13,972 9,094
Cash flow swaps not designated as hedges 814 913
Deferred compensation plan 13,308 13,551
Total liabilities $ 28,094 $ 23,558