Revenue Components, Geographic Revenues and Significant Customers (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Apr. 01, 2012	Jan. 01, 2012	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Dec. 26, 2010	Sep. 26, 2010	Jun. 27, 2010	Apr. 01, 2012	Apr. 03, 2011	Mar. 28, 2010
Revenue Components, Geographic Revenues and Significant Customers (Textual) [Abstract]
Net revenues	$ 135,073	$ 142,779	$ 136,275	$ 144,481	$ 146,069	$ 146,256	$ 135,376	$ 130,674	$ 558,608	$ 558,375	$ 518,471
China [Member]
Revenue Components, Geographic Revenues and Significant Customers (Textual) [Abstract]
Net revenues									$ 72,600	$ 76,700	$ 65,700
Hewlett-Packard [Member]
Summary of the Company's customers, including their manufacturing subcontractors that represent 10% or more of the Company's net revenues
Percentage of net revenues from major costumer									27.00%	26.00%	25.00%
IBM [Member]
Summary of the Company's customers, including their manufacturing subcontractors that represent 10% or more of the Company's net revenues
Percentage of net revenues from major costumer									18.00%	19.00%	19.00%
Dell [Member]
Summary of the Company's customers, including their manufacturing subcontractors that represent 10% or more of the Company's net revenues
Percentage of net revenues from major costumer									11.00%	11.00%	11.00%