Intangible Assets (Changes in Carrying Amount) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			3 Months Ended
Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013 Trademarks [Member]	Mar. 31, 2013 Trademarks [Member]	Jun. 29, 2013 Non-competes and backlogs [Member]	Jun. 29, 2013 Customer relationships [Member]
Intangible Assets [Roll Forward]
Intangible assets, beginning balance	$ 110,668		$ 27,739	$ 27,739	$ 3,754	$ 79,175
Intangibles amortization	(3,309)	(3,464)			(394)	(2,915)
Intangible assets, ending balance	$ 107,359		$ 27,739	$ 27,739	$ 3,360	$ 76,260

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

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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