Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Long-Term Debt - Long-Term Debt (Detail) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Net debt discount and premium $ (1,258,000) $ (1,562,000)
Debt issuance costs (13,328,000) (12,884,000)
Other 4,280,000 5,454,000
Total debt 882,678,000 814,582,000
Less current maturities (43,003,000) (33,437,000)
Long-Term Debt 839,675,000 781,145,000
2014 Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Revolving Credit Facility   4,203,000
2016 Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Revolving Credit Facility 0  
7.0% Senior Subordinated Notes Due 2022 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes 200,000,000 200,000,000
Total debt 198,871,000 198,708,000
5.0% Senior Subordinated Notes due 2023 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes 289,273,000 300,000,000
Total debt 289,273,000 300,000,000
Mortgage Notes [Member]    
Debt Instrument [Line Items]    
Mortgage notes to finance companies-fixed rate, bearing interest from 3.51% to 7.03% 176,369,000 168,410,000
Mortgage notes to finance companies-variable rate, bearing interest at 1.25 to 2.80 percentage points above one-month or three-month LIBOR $ 227,342,000 $ 150,961,000