Goodwill and Acquisition-Related Intangibles (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment of Intangible Assets (Excluding Goodwill)	$ 6,578
Amortization of acquisition-related intangibles	9,537us-gaap_AmortizationOfIntangibleAssets	9,887us-gaap_AmortizationOfIntangibleAssets	9,508us-gaap_AmortizationOfIntangibleAssets
Schedule of expected annual amortization expense for acquisition-related intangibles
2015	6,550
2016	4,761
2017	1,374
2018	67
2019	0
Total	$ 12,752us-gaap_FiniteLivedIntangibleAssetsNet	$ 28,867us-gaap_FiniteLivedIntangibleAssetsNet

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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