Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Long-Term Debt - Long-Term Debt (Detail) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Net debt discount and premium $ (1,412,000) $ (1,562,000)
Debt issuance costs (11,927,000) (12,884,000)
Other 4,725,000 5,454,000
Total debt 878,261,000 814,582,000
Less current maturities (29,459,000) (33,437,000)
Long-Term Debt 848,802,000 781,145,000
2014 Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
2014 Revolving Credit Facility 0 4,203,000
7.0% Senior Subordinated Notes Due 2022 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes 200,000,000 200,000,000
Total debt 198,788,000 198,708,000
5.0% Senior Subordinated Notes due 2023 [Member]    
Debt Instrument [Line Items]    
Senior Subordinated Notes 300,000,000 300,000,000
Total debt 300,000,000 300,000,000
Mortgage Notes [Member]    
Debt Instrument [Line Items]    
Mortgage notes to finance companies-fixed rate, bearing interest from 3.51% to 7.03% 181,412,000 168,410,000
Mortgage notes to finance companies-variable rate, bearing interest at 1.25 to 2.80 percentage points above one-month or three-month LIBOR $ 205,463,000 $ 150,961,000