Estimated Fair Values of Assets Acquired and Liabilities Assumed for Lincat Group Acquisition (Details) (Lincat, USD $) In Thousands, unless otherwise specified	May 27, 2011
Business Acquisition [Line Items]
Cash	$ 12,392
Current assets	16,963
Property, plant and equipment	14,368
Goodwill	38,491
Other intangibles	33,319
Current liabilities	(9,750)
Long-term deferred tax liability	(9,650)
Other non-current liabilities	(1,611)
Net assets acquired and liabilities assumed	94,522
as initially reported
Business Acquisition [Line Items]
Cash	12,392
Current assets	16,992
Property, plant and equipment	14,368
Goodwill	45,765
Other intangibles	31,343
Current liabilities	(10,924)
Long-term deferred tax liability	(13,803)
Other non-current liabilities	(1,611)
Net assets acquired and liabilities assumed	94,522
Measurement Period Adjustments
Business Acquisition [Line Items]
Cash	0
Current assets	(29)
Property, plant and equipment	0
Goodwill	(7,274)
Other intangibles	1,976
Current liabilities	1,174
Long-term deferred tax liability	4,153
Other non-current liabilities	0
Net assets acquired and liabilities assumed	$ 0