Other Comprehensive Income (Loss) (Schedule of Amounts Reclassified out of AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue	$ 205,843	$ 203,181
Interest expense, net	(8,272)	(6,818)
Income tax provision (benefit)	(1,149)	(696)
Other income (expense), net	(431)	49
Net income	5,306	10,501
Reclassification Out Of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	38	818
Reclassification Out Of Accumulated Other Comprehensive Income | Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax provision (benefit)	(70)	(255)
Net income	250	914
Reclassification Out Of Accumulated Other Comprehensive Income | Defined Benefit Pension Plan
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax provision (benefit)	90	41
Other income (expense), net	(302)	(137)
Net income	(212)	(96)
Reclassification Out Of Accumulated Other Comprehensive Income | Currency exchange contracts gain (loss) | Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue	19	585
Reclassification Out Of Accumulated Other Comprehensive Income | Interest rate swap contracts gain (loss) | Unrealized Derivative Instrument
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense, net	$ 301	$ 584