COMMITMENTS AND CONTINGENCIES - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended	6 Months Ended
	Nov. 30, 1998	Sep. 28, 2003	Apr. 01, 2012	Oct. 02, 2011
Commitments and Contingencies Disclosure [Line Items]
Description of the contingency loss agreement	In November 1998, we signed an agreement with the three former owners of this facility whereby they have 1) reimbursed us for $0.5 million of past costs, 2) assumed responsibility for 90% of all future clean-up costs, and 3) promised to indemnify and protect us against any and all third-party claims relating to the contamination of the facility.
Reimbursements for past costs	$ 0.5
Future clean-up costs sharing percentage	90.00%
Total estimated environment remediation cost up to the year 2020			5.3
Charges for environmental remediation costs		0.5
Accrued workers' compensation liabilities			$ 1.4	$ 1.5
Filing complaint date			2010-12-08
Allegations description			The complaint alleges, inter alia, that programmable logic devices manufactured and sold by our subsidiary Microsemi - SoC infringe United States Patent Numbers 5,687,325, 6,260,087 and 6,272,646 assigned to Intellectual Ventures II LLC, and seeks damages and other relief at law or in equity as the court deems appropriate.