Net Sales by Originating Geographic Area and Estimated End Market (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Segment Reporting Disclosure [Line Items]
Net Sales	$ 259,195	$ 216,722	$ 749,421	$ 608,563
United States
Segment Reporting Disclosure [Line Items]
Net Sales	122,167	138,995	362,647	385,298
Europe
Segment Reporting Disclosure [Line Items]
Net Sales	79,935	35,200	215,015	98,305
Asia
Segment Reporting Disclosure [Line Items]
Net Sales	57,093	42,527	171,759	124,960
Communications
Segment Reporting Disclosure [Line Items]
Net Sales	79,187	35,495	231,542	105,649
Defense & Security
Segment Reporting Disclosure [Line Items]
Net Sales	72,555	76,642	213,136	219,521
Aerospace
Segment Reporting Disclosure [Line Items]
Net Sales	55,555	55,467	157,557	154,071
Industrial
Segment Reporting Disclosure [Line Items]
Net Sales	$ 51,898	$ 49,118	$ 147,186	$ 129,322