Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Fair Value Measurements - Assets or Liabilities Recorded at Fair Value (Detail) - Significant Other Observable Inputs (Level 2) [Member] - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Assets:    
Cash surrender value of life insurance policies $ 29,055 $ 27,552
Cash flow swaps designated as hedges   618
Total assets 29,055 28,170
Liabilities:    
Cash flow swaps designated as hedges 9,094 10,251
Cash flow swaps not designated as hedges 913 1,469
Deferred compensation plan 13,551 15,863
Total liabilities $ 23,558 $ 27,583