Acquisitions and Purchase Accounting - Celfrost Acquisition (Details) (USD $)	0 Months Ended
	Oct. 15, 2013	Jan. 03, 2015	Dec. 28, 2013	Jan. 01, 2011
Business Acquisition [Line Items]
Goodwill		$ 808,491,000	$ 687,955,000	$ 526,011,000
Celfrost [Member]
Business Acquisition [Line Items]
AdditonalPaymentstoAcquireBusinessses	400,000
Current assets	5,514,000
Property, plant and equipment	182,000
Goodwill	7,661,000
Other intangibles	4,333,000
Other assets	4,000
Current liabilities	(5,573,000)
Other non-current liabilities	(875,000)
Consideration paid at closing	11,246,000
Deferred payments	1,067,000
Net assets acquired and liabilities assumed	12,313,000
DeferredPaymentstoAcquireBusinesses	700,000
as initially reported [Member] | Celfrost [Member]
Business Acquisition [Line Items]
Current assets	5,638,000
Property, plant and equipment	182,000
Goodwill	5,943,000
Other intangibles	4,333,000
Other assets	4,000
Current liabilities	3,979,000
Other non-current liabilities	875,000
Consideration paid at closing	11,246,000
Deferred payments	1,067,000
Net assets acquired and liabilities assumed	12,313,000
Scenario, Adjustment [Member] | Celfrost [Member]
Business Acquisition [Line Items]
Current assets	(124,000)
Property, plant and equipment	0
Goodwill	1,718,000
Other intangibles	0
Other assets	0
Current liabilities	(1,594,000)
Consideration paid at closing	0
Deferred payments	0
Net assets acquired and liabilities assumed	$ 0