U.S and Foreign Components of Earnings from Continuing Operations Before Income Taxes (Detail) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
	Oct. 02, 2015	Sep. 29, 2017	Sep. 30, 2016	Oct. 02, 2015	[1]
Income Tax Disclosure [Abstract]
U.S.	$ 43,592	$ 47,623	$ 71,319
Foreign	72,430	117,507	69,116
Earnings from Continuing Operations Before Income Taxes	$ 116,022	$ 165,130	$ 140,435	$ 155,233

[1] (Recast)