Restructuring Costs (Details) (USD $)	3 Months Ended	9 Months Ended
Dec. 29, 2012 employee	Dec. 31, 2011	Dec. 29, 2012	Dec. 31, 2011
Restructuring and Related Activities [Abstract]
Restructuring and Related Cost, Number of Positions Eliminated	25
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent	4.00%
Restructuring And Related Cost Number Of Positions Relocated	20
Restructuring Charges	$ 3,539,000	$ 0	$ 3,539,000	$ 0
Business Exit Costs	1,100,000
Other Restructuring Costs	2,400,000
Payments for Restructuring Charges, Current Period	200,000
Remaining Restructuring Accrual	$ 3,300,000		$ 3,300,000

The charge against earnings in the period, comprised of costs incurred associated with an exit or disposal activity other than for a discontinued operations as defined under generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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The charge against earnings in the period, comprised of costs associated with restructuring activities not otherwise specified in the taxonomy pursuant to a duly authorized plan, excluding a discontinued operation as defined by generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, but excludes costs associated with the retirement of a long-lived asset and severance costs associated with established compensation plans.

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- Definition

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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