Net Sales by the Originating Geographic Area and Estimated End Market (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Jan. 01, 2012	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Jan. 02, 2011	Sep. 30, 2012	Oct. 02, 2011	Oct. 03, 2010
Segment Reporting Disclosure [Line Items]
Net Sales	$ 263,074	$ 259,195	$ 249,306	$ 240,920	$ 227,291	$ 216,722	$ 207,490	$ 184,351	$ 1,012,495	$ 835,854	$ 518,268
Communication
Segment Reporting Disclosure [Line Items]
Net Sales									311,952	148,792	116,369
Defense And Security
Segment Reporting Disclosure [Line Items]
Net Sales									286,430	299,503	208,098
Aerospace
Segment Reporting Disclosure [Line Items]
Net Sales									212,293	212,127	107,587
Industrial
Segment Reporting Disclosure [Line Items]
Net Sales									201,820	175,432	86,214
United States
Segment Reporting Disclosure [Line Items]
Net Sales									565,931	508,145	243,822
Europe
Segment Reporting Disclosure [Line Items]
Net Sales									290,265	132,145	125,209
Asia
Segment Reporting Disclosure [Line Items]
Net Sales									$ 156,299	$ 195,564	$ 149,237