Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Components of Long-term Debt (Details)

v3.10.0.1
Long-Term Debt - Components of Long-term Debt (Details) - USD ($)
 3 Months Ended
Jun. 30, 2018
Dec. 30, 2017
Dec. 14, 2017
Sep. 30, 2017
Jun. 24, 2017
Nov. 09, 2015
Debt Instrument [Line Items]            
Total $ 691,860,000     $ 395,653,000 $ 435,449,000  
Less current portion (119,000)     (375,000) (375,000)  
Long-term portion 691,741,000     395,278,000 435,074,000  
Senior notes            
Debt Instrument [Line Items]            
Unamortized debt issuance costs (8,741,000)     (4,840,000) (5,039,000)  
Total 691,259,000     395,160,000 394,961,000  
Senior notes | Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023            
Debt Instrument [Line Items]            
Notes $ 400,000,000     400,000,000 400,000,000 $ 400,000,000
Debt instrument maturity period Nov. 01, 2023          
Debt instrument interest rate stated, percentage 6.125%         6.125%
Senior notes | Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028            
Debt Instrument [Line Items]            
Notes $ 300,000,000   $ 300,000,000.0 0 0  
Total $ 295,500,000          
Debt instrument maturity period Feb. 01, 2028          
Debt instrument interest rate stated, percentage 5.125% 5.125% 5.125%      
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021            
Debt Instrument [Line Items]            
Total $ 0     0 40,000,000  
Debt instrument maturity period Apr. 01, 2021          
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Base rate borrowings            
Debt Instrument [Line Items]            
Applicable interest margin rate on the credit facility 0.25%          
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | LIBOR-based borrowings            
Debt Instrument [Line Items]            
Applicable interest margin rate on the credit facility 1.25%          
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Minimum | Base rate borrowings            
Debt Instrument [Line Items]            
Applicable interest margin rate on the credit facility 0.25%          
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Minimum | LIBOR-based borrowings            
Debt Instrument [Line Items]            
Applicable interest margin rate on the credit facility 1.25%          
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Maximum | Base rate borrowings            
Debt Instrument [Line Items]            
Applicable interest margin rate on the credit facility 0.50%          
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Maximum | LIBOR-based borrowings            
Debt Instrument [Line Items]            
Applicable interest margin rate on the credit facility 1.50%          
Other notes payable            
Debt Instrument [Line Items]            
Total $ 601,000     $ 493,000 $ 488,000