Restructuring Costs	12 Months Ended
Restructuring Costs	Mar. 30, 2013
Restructuring Costs [Abstract]
Restructuring Costs	9. Restructuring Costs On November 6, 2012, the Company committed to a plan to close its Tucson, Arizona design center and move those operations, including development efforts related to motor control technology, to the Company’s headquarters in Austin, Texas. This restructuring eliminated approximately 25 employees in Tucson, Arizona, or 4% of the Company’s total workforce, as well as relocated to Austin, Texas approximately 20 positions, which are primarily research and development positions. As of December 29, 2012, the closure was materially completed. The Company incurred a one-time charge for relocation, severance-related items and facility-related costs to operating expenses totaling $3.5 million in the third quarter of fiscal year 2013. This charge, along with asset sale activities described in Note 7, are presented as a separate line item on the consolidated statement of comprehensive income in operating expenses under the caption “Restructuring and other, net,” which was and will be paid through calendar year 2015. The charge included $1.1 million in relocation and related costs and $2.4 million in facility related costs and other related charges. Of the $3.5 million expense incurred, approximately $2.0 million has been paid, and consisted of severance and relocation-related costs of approximately $0.9 million, an asset impairment charge of approximately $1.0 million, and facility-related costs of approximately $0.1 million. As of March 30, 2013, we have a remaining restructuring accrual of $1.5 million, included in “Other accrued liabilities” on the consolidated balance sheet.

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

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