Intangible Assets (Changes in Carrying Amount) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012		Dec. 31, 2011
Intangible Assets [Roll Forward]
Intangible assets, beginning balance			$ 126,541
Amortization expense	(3,478)	(3,249)	(10,416)		(9,484)
Currency translation			(3)
Other			(2,140)	[1]
Intangible assets, ending balance	113,982		113,982
Trademarks [Member]
Intangible Assets [Roll Forward]
Intangible assets, beginning balance			27,739
Currency translation			0
Intangible assets, ending balance	27,739		27,739
Non-competes and backlogs [Member]
Intangible Assets [Roll Forward]
Intangible assets, beginning balance			5,359
Amortization expense			(1,201)
Currency translation			(3)
Intangible assets, ending balance	4,155		4,155
Customer relationships [Member]
Intangible Assets [Roll Forward]
Intangible assets, beginning balance			93,443
Amortization expense			(9,215)
Currency translation			0
Other			(2,140)	[1]
Intangible assets, ending balance	$ 82,088		$ 82,088

[1] Primarily represents the write-off of the net book value of intangible assets due to the probable divestiture of our non-controlling interest in Genesis Networks Integration Services, LLC, a joint venture company which was formed in conjunction with Genesis Networks Enterprises, LLC.