Supplemental Disclosure of Cash Flow Information (Details) (USD $)	9 Months Ended
	Dec. 29, 2012	Dec. 24, 2011
Supplemental Cash Flow [Line Items]
Goodwill	$ 95,406,000
Acquisitions, net of cash acquired	(145,967,000)	(37,843,000)
Property, plant and equipment, purchase price adjustment		1,331,000
Deferred income tax asset, purchase price adjustment		381,000
Goodwill, purchase price adjustment		325,000
Intangible assets, purchase price adjustment		297,000
Long-term debt, purchase price adjustment		2,334,000
Current liabilities, exercise of stock options	601,000	5,485,000
Common Stock, exercise of stock options	2,000	6,000
Paid in capital, exercise of stock options	2,736,000	8,685,000
Treasury Stock, exercise of stock options	3,339,000	14,176,000
Capital Leases-property, plant and equipment	2,567,000
Capital Leases - Long-term debt	2,567,000
Accounting for income tax benefits related to the exercise of stock options	2,215,000	4,999,000
Fiscal Year 2012 Acquisitions
Supplemental Cash Flow [Line Items]
Fair value of assets acquired		7,799,000
Goodwill		31,895,000
Acquisitions, net of cash acquired		(37,843,000)
Liabilities assumed		1,851,000
Fiscal Year 2013 Acquisitions
Supplemental Cash Flow [Line Items]
Fair value of assets acquired	58,041,000
Goodwill	95,164,000
Acquisitions, net of cash acquired	(145,967,000)
Liabilities assumed	$ 7,238,000