RETIREMENT PLANS (Schedule of Activity Under Defined Benefit Plans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2012	Apr. 02, 2011	Apr. 03, 2010
Change in Benefit Obligation:
Benefit Obligation, beginning of year	$ (8,628)	$ (7,949)
Service cost	(2,545)	(667)	(512)
Interest cost	(601)	(283)	(242)
Benefits paid	1,952	843
Actuarial (loss)/gain	(1,244)	102
Employee and plan participants contributions	(1,728)
Plan Amendments	(193)	0
Currency translation	(84)	(674)
Benefit obligation, end of year	(27,150)	(8,628)	(7,949)
Change in Plan Assets:
Fair value of plan assets, beginning of year	4,449	3,833
Company contributions	2,156	478
Benefits paid	(1,873)	(783)
Gain/(Loss) on plan assets	124	467
Employee and plan participants contributions	1,728
Currency translation	252	454
Fair value of Plan Assets, end of year	18,185	4,449	3,833
Funded Status	(8,965)	(4,179)
Unrecognized net actuarial loss/(gain)	4,513	341
Unrecognized initial obligation	141	(83)
Unrecognized prior service cost	254	171
Net amount recognized	(4,057)	(3,750)
Switzerland [Member]
Change in Benefit Obligation:
Benefit obligation, end of year	(14,100)	(14,079)
Change in Plan Assets:
Fair value of Plan Assets, end of year	$ 11,300	$ 11,349

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Defined Benefit Plan Unrecognized Initial Obligation

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The net increase or decrease of changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.

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1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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The increase in the fair value of plan assets from contributions made by the employer.

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The amount of contributions made by plan participants. This item represents a periodic increase to the plan obligation and an increase to plan assets.

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Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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The amount of increase or decrease in the fair value of plan assets during the reporting period.

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The amount of increase or decrease in the benefit obligation attributed to foreign currency changes. The effects of foreign currency exchange rate changes that are to be disclosed are those applicable to plans of a foreign operation whose functional currency is not the reporting currency.

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The amount of increase or decrease in plan assets attributed to foreign currency changes. The effects of foreign currency exchange rate changes that are to be disclosed are those applicable to plans of a foreign operation whose functional currency is not the reporting currency.

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The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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The amount of increase or decrease due to a change in the terms of an existing plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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