XML 93 R63.htm IDEA: XBRL DOCUMENT v3.19.3
Financing Arrangements - Financing - Allied Acquisition - Additional Information (Detail) - USD ($)
12 Months Ended
Jan. 02, 2018
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Oct. 01, 2015
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity $ 3,570,000,000       $ 1,450,000,000
Borrowings under senior notes   $ 0 $ 1,300,000,000 $ 0  
Payments of debt issuance costs 65,300,000 817,000 65,788,000 1,669,000  
Gains (Losses) on Extinguishment of Debt   0 (1,248,000) $ 0  
Allied Financing Arrangements [Member]          
Debt Instrument [Line Items]          
Payments of debt issuance costs 2,000,000.0        
Gains (Losses) on Extinguishment of Debt (1,200,000)        
Senior Notes, Matures November 2025 [Member]          
Debt Instrument [Line Items]          
Borrowings under senior notes 1,300,000,000        
Revolving Lines of Credit [Member] | 2023 ABL [Member]          
Debt Instrument [Line Items]          
Line of Credit Facility, Maximum Borrowing Capacity 1,300,000,000        
Proceeds from Lines of Credit 525,000,000.0        
Term Loan [Member] | Term Loan, Matures January 2025 [Member]          
Debt Instrument [Line Items]          
Long-term line of credit $ 970,000,000.0 $ 926,535,000 [1] $ 930,726,000 [1]    
[1] Interest rate of 4.36% and 4.53% as of September 30, 2019 and 2018, respectively.