Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Components of Long-Term Debt 2 (Detail)

v3.10.0.1
Long-Term Debt - Components of Long-Term Debt 2 (Detail)
 12 Months Ended
Sep. 29, 2018
Dec. 14, 2017
Sep. 30, 2017
Nov. 09, 2015
Senior notes | Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023        
Components of long-term debt        
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        
Components of long-term debt        
Debt instrument interest rate stated, percentage 5.125% 5.125% 5.125%  
Asset-based revolving credit facility | 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 | Minimum        
Components of long-term debt        
Applicable interest margin rate on the credit facility 1.25%      
Asset-based revolving credit facility | 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 | Maximum        
Components of long-term debt        
Applicable interest margin rate on the credit facility 1.50%      
Asset-based revolving credit facility | 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 | Minimum        
Components of long-term debt        
Applicable interest margin rate on the credit facility 0.25%      
Asset-based revolving credit facility | 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 | Maximum        
Components of long-term debt        
Applicable interest margin rate on the credit facility 0.50%