Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 1,705	$ 11,774
Other comprehensive income (loss), net of tax
Foreign currency translation gain (loss) adjustments	(9,802)	(2,418)
Derivative instruments
Unrealized net gain (loss)	4,158	135
Net (gain) loss reclassified to earnings	(268)	(95)
Defined benefit pension plan
Unrealized net gain (loss)	128	123
Net (gain) loss reclassified to earnings	170	101
Currency exchange rate gain (loss)	697	150
Other comprehensive income (loss)	(4,917)	(2,004)
Comprehensive income (loss)	$ (3,212)	$ 9,770