Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Fair Value Measurements - Assets and Liabilities Recorded at Fair Value (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2018
Sep. 30, 2019
Dec. 31, 2018
Fair Value, Nonrecurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Tangible Asset Impairment Charges $ 3,100    
Fair Value Based on Significant Other Observable Inputs (Level 2)      
Assets:      
Cash surrender value of life insurance policies   $ 32,568 $ 31,395
Cash flow swaps and interest rate caps designated as hedges   246 4,839
Total assets   32,814 36,234
Liabilities:      
Deferred compensation plan   18,635 19,848
Total liabilities   18,635 19,848
Fair Value Based on Significant Other Observable Inputs (Level 2) | Other current assets      
Assets:      
Cash flow swaps and interest rate caps designated as hedges   100 1,800
Fair Value Based on Significant Other Observable Inputs (Level 2) | Other assets      
Assets:      
Cash flow swaps and interest rate caps designated as hedges   $ 100 3,000
Fair Value Based on Significant Other Observable Inputs (Level 2) | Other accrued liabilities      
Liabilities:      
Cash flow swaps and interest rate caps designated as hedges     0
Fair Value Based on Significant Other Observable Inputs (Level 2) | Other long-term liabilities      
Liabilities:      
Cash flow swaps and interest rate caps designated as hedges     $ 0