Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Long-Term Debt (Detail)

v3.8.0.1
Long-Term Debt - Long-Term Debt (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Net debt discount and premium   $ (1,258)
Debt issuance costs $ (13,625) (13,328)
Other 4,032 4,280
Total debt 1,075,865 882,678
Less current maturities (59,475) (43,003)
Long-Term Debt 1,016,390 839,675
2016 Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
2016 Revolving Credit Facility 135,000  
7.0% Senior Subordinated Notes Due 2022 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes   200,000
Total debt   198,871
5.0% Senior Subordinated Notes due 2023 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes 289,273 289,273
Total debt 289,273 289,273
6.125% Senior Subordinated Notes due 2027 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes 250,000  
Total debt 250,000  
Mortgage Notes [Member]    
Debt Instrument [Line Items]    
Mortgage notes to finance companies-fixed rate, bearing interest from 3.51% to 7.03% 197,053 176,369
Mortgage notes to finance companies-variable rate, bearing interest at 1.50 to 2.90 percentage points above one-month or three-month LIBOR $ 214,132 $ 227,342