Warranties (Activity for Estimated Warranty Liability) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Accrual for estimated warranties
Balance at beginning of period	$ 9,393us-gaap_StandardProductWarrantyAccrual	$ 8,670us-gaap_StandardProductWarrantyAccrual	$ 9,262us-gaap_StandardProductWarrantyAccrual	$ 8,202us-gaap_StandardProductWarrantyAccrual
Charged to costs and expenses	3,014	3,005	9,264	8,523
Payments and deductions	(2,991)	(2,800)	(9,110)	(7,850)
Balance at end of period	$ 9,416us-gaap_StandardProductWarrantyAccrual	$ 8,875us-gaap_StandardProductWarrantyAccrual	$ 9,416us-gaap_StandardProductWarrantyAccrual	$ 8,875us-gaap_StandardProductWarrantyAccrual

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Namespace Prefix:	us-gaap_
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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph (c)(1),(c)(5)

-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph ((c)(2))

-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph ((c)(3))

-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

+ Details

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