Basis of Presentation (Tables)

3 Months Ended

Jun. 29, 2012

Basis of Presentation [Abstract]

Fair values of outstanding foreign currency forward contracts

	June 29, 2012				March 30, 2012
Derivatives designated as hedging instruments	Other current assets		Accrued liabilities		Other current assets		Accrued liabilities
	(In thousands)
Foreign currency forward contracts	$	—	$	588	$	—	$	443
Total derivatives designated as hedging instruments	$	—	$	588	$	—	$	443

Effects of foreign currency forward contracts in cash flow hedging relationships

Derivatives in Cash Flow Hedging Relationships	Amount of Gain or (Loss) Recognized in Accumulated OCI on Derivatives (Effective Portion)			Location of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)		Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)			Location of Gain or (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing)		Amount of Gain or (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing)
	(In thousands)
Foreign currency forward contracts	$	(277	)		Cost of product revenues	$	(132	)		Not applicable	$	—
Total	$	(277	)			$	(132	)			$	—

Derivatives in Cash Flow Hedging Relationships	Amount of Gain or (Loss) Recognized in Accumulated OCI on Derivatives (Effective Portion)		Location of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)		Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)		Location of Gain or (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing)		Amount of Gain or (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing)
	(In thousands)
Foreign currency forward contracts	$	54		Cost of product revenues	$	160		Not applicable	$	—
Total	$	54			$	160			$	—