Consolidated Statements Of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 02, 2016	Apr. 04, 2015	Apr. 02, 2016	Apr. 04, 2015
Income Statement [Abstract]
Revenue, Net	$ 618,660	$ 651,285	$ 1,235,324	$ 1,315,975
Cost of sales	(565,388)	(591,508)	(1,131,993)	(1,194,784)
Gross profit	53,272	59,777	103,331	121,191
Selling and administrative expenses	28,009	30,325	55,037	61,266
Restructuring Charges	1,917	0	3,424	1,691
Operating income	23,346	29,452	44,870	58,234
Other income (expense):
Interest expense	(3,674)	(3,383)	(7,208)	(7,160)
Interest income	1,015	788	1,947	1,686
Miscellaneous	(1,128)	(60)	(2,748)	78
Income before income taxes	19,559	26,797	36,861	52,838
Income tax expense	2,772	3,203	5,626	6,165
Net income	$ 16,787	$ 23,594	$ 31,235	$ 46,673
Earnings per share:
Basic	$ 0.50	$ 0.70	$ 0.94	$ 1.39
Diluted	$ 0.50	$ 0.69	$ 0.92	$ 1.36
Weighted average shares outstanding:
Basic	33,319	33,606	33,368	33,604
Diluted	33,834	34,342	33,957	34,391
Comprehensive income:
Net income	$ 16,787	$ 23,594	$ 31,235	$ 46,673
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	8,043	(1,314)	13,787	(5,958)
Foreign currency translation adjustments	1,022	(1,366)	(5,584)	(6,727)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	9,065	(2,680)	8,203	(12,685)
Comprehensive income	$ 25,852	$ 20,914	$ 39,438	$ 33,988