Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Apr. 02, 2022	Apr. 03, 2021
Income Statement [Abstract]
Net sales	$ 888,723	$ 880,885	$ 1,706,179	$ 1,711,240
Cost of sales	812,213	789,883	1,559,673	1,540,961
Gross profit	76,510	91,002	146,506	170,279
Selling and administrative expenses	40,673	38,286	78,175	70,697
Restructuring and impairment charges	0	2,029	2,021	2,029
Operating income	35,837	50,687	66,310	97,553
Other income (expense):
Interest expense	(3,345)	(3,818)	(6,391)	(7,904)
Interest income	262	390	533	764
Miscellaneous, net	(1,446)	(825)	(2,369)	(2,343)
Income before income taxes	31,308	46,434	58,083	88,070
Income tax expense	4,439	4,671	7,791	10,108
Net income	$ 26,869	$ 41,763	$ 50,292	$ 77,962
Earnings per share:
Basic (in dollars per share)	$ 0.96	$ 1.45	$ 1.80	$ 2.71
Diluted (in dollars per share)	$ 0.95	$ 1.42	$ 1.76	$ 2.65
Weighted average shares outstanding:
Basic (in shares)	27,987	28,736	28,002	28,799
Diluted (in shares)	28,427	29,310	28,566	29,409
Other comprehensive (loss) income:
Derivative instrument and other fair value adjustments	$ 436	$ (4,556)	$ 1,708	$ (501)
Foreign currency translation adjustments	(4,328)	(3,404)	(5,906)	5,296
Other comprehensive (loss) income	(3,892)	(7,960)	(4,198)	4,795
Total comprehensive income	$ 22,977	$ 33,803	$ 46,094	$ 82,757