Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 10,610	$ 7,150	$ 19,514	$ 21,922
Other comprehensive income (loss), net of tax
Foreign currency translation gain (loss) adjustments	5,811	(2,163)	(794)	(1,295)
Derivative instruments
Unrealized net gain (loss)	(781)	(91)	2,360	(680)
Net (gain) loss reclassified to earnings	153	142	(53)	131
Defined benefit pension plan
Unrealized net gain (loss)	42	47	368	(75)
Net (gain) loss reclassified to earnings	174	103	511	305
Currency exchange rate gain (loss)	(663)	187	(156)	67
Other comprehensive income (loss)	4,736	(1,775)	2,236	(1,547)
Comprehensive income	$ 15,346	$ 5,375	$ 21,750	$ 20,375