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.	$ 39,624	$ 39,119	$ 66,036
Foreign	72,486	114,275	69,989
Earnings from Continuing Operations Before Income Taxes	$ 112,110	$ 153,394	$ 136,025	$ 151,318

[1] (Recast)