Restructuring Costs	9 Months Ended
Restructuring Costs	Dec. 29, 2012
Restructuring and Related Activities [Abstract]
Restructuring and Related Activities Disclosure [Text Block]	9. Restructuring Costs On November 6, 2012, the Company committed to a plan (the “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, presented as a separate line item on the consolidated condensed statement of comprehensive income in operating expenses under the caption “Restructuring and other costs, net,” which will be paid over the remainder of fiscal year 2013 through calendar year 2015. The charge includes $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 $0.2 million was paid during the third quarter, and consisted primarily of severance-related costs. As of December 29, 2012, we have a remaining restructuring accrual of $3.3 million, included in “Other accrued liabilities” on the consolidated condensed 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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