Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Additional Information (Detail)

v3.10.0.1
Long-Term Debt - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Dec. 14, 2017
Apr. 22, 2016
Nov. 09, 2015
Dec. 31, 2015
Sep. 29, 2018
Sep. 30, 2017
Components of long-term debt            
Unamortized debt issuance costs         $ 8,400,000  
Senior Notes Due February 2028            
Components of long-term debt            
Unamortized debt issuance costs         4,400,000  
Senior Notes Due November 2023            
Components of long-term debt            
Unamortized debt issuance costs         4,000,000  
Senior notes            
Components of long-term debt            
Unamortized debt issuance costs         $ 8,425,000 $ 4,840,000
Senior notes | Senior Notes Due February 2028            
Components of long-term debt            
Debt, aggregate principal amount $ 300,000,000.0          
Debt instrument interest rate stated, percentage 5.125%       5.125% 5.125%
Debt issuance costs $ 4,800,000          
Redemption percentage         35.00%  
Debt redemption price percentage         105.125%  
Senior notes | Senior Notes Due February 2028 | Redemption period one            
Components of long-term debt            
Debt redemption price percentage         102.563%  
Senior notes | Senior Notes Due February 2028 | Redemption period two            
Components of long-term debt            
Debt redemption price percentage         101.708%  
Senior notes | Senior Notes Due February 2028 | Redemption period three            
Components of long-term debt            
Debt redemption price percentage         100.854%  
Senior notes | Senior Notes Due February 2028 | Redemption period four            
Components of long-term debt            
Debt redemption price percentage         100.00%  
Senior notes | Senior Notes Due November 2023            
Components of long-term debt            
Debt, aggregate principal amount     $ 400,000,000.0      
Debt instrument interest rate stated, percentage     6.125%   6.125%  
Debt issuance costs     $ 6,300,000      
Debt redemption price percentage         101.00%  
Senior notes | Senior Notes Due November 2023 | Redemption period one            
Components of long-term debt            
Debt redemption price percentage         104.594%  
Senior notes | Senior Notes Due November 2023 | Redemption period two            
Components of long-term debt            
Debt redemption price percentage         103.063%  
Senior notes | Senior Notes Due November 2023 | Redemption period three            
Components of long-term debt            
Debt redemption price percentage         101.531%  
Senior notes | Senior Notes Due November 2023 | Redemption period four            
Components of long-term debt            
Debt redemption price percentage         100.00%  
Senior notes | Senior Notes Due March 2018            
Components of long-term debt            
Debt, aggregate principal amount       $ 400,000,000.0    
Debt instrument interest rate stated, percentage       8.25%    
Debt redemption price percentage       102.063%    
Asset-based revolving credit facility | Asset-based Revolving Credit Facility            
Components of long-term debt            
Debt issuance costs         $ 1,200,000  
Credit facility, maximum principal amount   $ 400,000,000.0        
Credit facility, additional borrowings available   $ 200,000,000.0        
Credit facility, maturity date   Apr. 22, 2021        
Borrowings outstanding         0  
Letters of credit outstanding         0  
Other letters of credit outstanding         3,300,000  
Borrowing availability         $ 394,800,000  
Credit facility, base rate computation, option second description, basis spread percentage         0.50%  
Credit facility, basis percentage for calculation of variable rate spread         1.00%  
Debt instrument fixed charge coverage ratio         1.00  
Asset-based revolving credit facility | Asset-based Revolving Credit Facility | LIBOR            
Components of long-term debt            
Applicable interest margin rate on the credit facility         1.25%  
Applicable interest rate on the credit facility         3.50%  
Asset-based revolving credit facility | Asset-based Revolving Credit Facility | Base Rate            
Components of long-term debt            
Applicable interest margin rate on the credit facility         0.25%  
Applicable interest rate on the credit facility         5.50%  
Asset-based revolving credit facility | Asset-based Revolving Credit Facility | Minimum | LIBOR            
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 | Minimum | Base Rate            
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 | Maximum | LIBOR            
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 | Maximum | Base Rate            
Components of long-term debt            
Applicable interest margin rate on the credit facility         0.50%