Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Distributors Acquisition (Details) - USD ($) $ in Thousands	Jul. 04, 2015	Jan. 03, 2015	Jun. 28, 2013
Business Acquisition [Line Items]
Goodwill	$ 833,382	$ 808,491
Distributors [Member]
Business Acquisition [Line Items]
Current assets			$ 17,791
Property, plant and equipment			1,318
Goodwill			5,308
Current liabilities			(804)
Net assets acquired and liabilities assumed			23,613
Business Combinations, Preexisting Relationship, Liability Forgiveness			(8,697)
Consideration paid at closing			14,916
as initially reported | Distributors [Member]
Business Acquisition [Line Items]
Current assets			21,390
Property, plant and equipment			1,318
Goodwill			1,709
Current liabilities			(804)
Net assets acquired and liabilities assumed			23,613
Business Combinations, Preexisting Relationship, Liability Forgiveness			(8,697)
Consideration paid at closing			14,916
Scenario, Adjustment [Member] | Distributors [Member]
Business Acquisition [Line Items]
Current assets			(3,599)
Property, plant and equipment			0
Goodwill			3,599
Current liabilities			0
Net assets acquired and liabilities assumed			0
Business Combinations, Preexisting Relationship, Liability Forgiveness			0
Consideration paid at closing			$ 0