Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Long-Term Debt - Long-Term Debt (Detail) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Net debt discount and premium $ (93,000) $ (1,258,000)
Debt issuance costs (14,353,000) (13,328,000)
Other 4,195,000 4,280,000
Total debt 947,384,000 882,678,000
Less current maturities (50,032,000) (43,003,000)
Long-Term Debt 897,352,000 839,675,000
2016 Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
2016 Revolving Credit Facility 0  
7.0% Senior Subordinated Notes Due 2022 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes   200,000,000
Total debt   198,871,000
5.0% Senior Subordinated Notes due 2023 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes 289,273,000 289,273,000
Total debt 289,273,000 289,273,000
6.125% Senior Subordinated Notes due 2027 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes 250,000,000  
Total debt 250,000,000  
Mortgage Notes [Member]    
Debt Instrument [Line Items]    
Mortgage notes to finance companies-fixed rate, bearing interest from 3.51% to 7.03% 183,045,000 176,369,000
Mortgage notes to finance companies-variable rate, bearing interest at 1.25 to 2.80 percentage points above one-month or three-month LIBOR $ 235,317,000 $ 227,342,000