XML 29 R73.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Other Balance Sheet Information - Inventories (Detail) - USD ($)
$ in Millions
Dec. 28, 2019
Sep. 28, 2019
Balance Sheet Related Disclosures [Abstract]    
Raw materials $ 154.5 $ 166.1
Work-in-process 54.0 54.5
Finished goods 172.3 224.3
Inventories $ 380.8 $ 444.9