Income Tax Expense (Benefit) from Continuing Operations (Detail) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
	Oct. 02, 2015	Sep. 29, 2017	Sep. 30, 2016	Oct. 02, 2015	[1]
Current
U.S. Federal	$ 11,045	$ 5,888	$ 14,959
State	492	146	(852)
Foreign	24,131	39,453	30,314
Current Income Tax Expense (Benefit), Total	35,668	45,487	44,421
Deferred
U.S. Federal	(7,686)	2,555	(6,703)
State	(195)	1,160	2,060
Foreign	(8,831)	(10,274)	(17,243)
Deferred income tax expense (benefit)	(16,712)	(6,559)	(21,886)
Income tax expense	$ 18,956	$ 38,928	$ 22,535	$ 26,911

[1] (Recast)