Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 29, 2015	Mar. 30, 2014	Mar. 31, 2013
Allowance for returns, pricing credits and doubtful accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 3,134	$ 2,787	$ 3,009
Additions Charged (Credited) to Revenues, Costs and Expenses	1,680	657	134
Charged (Credited) to Other Accounts	0	0	0
Deductions and Write-offs	(150)	(310)	(356)
Balance at End of Period	4,664	3,134	2,787
Tax valuation allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	143,704	134,633	131,731
Additions Charged (Credited) to Revenues, Costs and Expenses	12,427	30,110	34,171
Charged (Credited) to Other Accounts	0	0	0
Deductions and Write-offs	(7,177)	(21,039)	(31,269)
Balance at End of Period	$ 148,954	$ 143,704	$ 134,633

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Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 09

-Article 12

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- Definition

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