Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Induc Acquisition (Details) - USD ($) $ in Thousands	Oct. 03, 2015	May. 30, 2015	Jan. 03, 2015
Business Acquisition [Line Items]
Goodwill	$ 977,247		$ 808,491
Business Combination, Contingent Consideration	$ 11,706		$ 7,053
Induc [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets		$ 1,363
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		791
Goodwill		10,906
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		2,312
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		0
Current liabilities		0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		(4,750)
Consideration paid at closing		10,622
Business Acquisition, Deferred Payments		1,351
Business Combination, Contingent Consideration		3,398
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net		15,371
Scenario, Previously Reported [Member] | Induc [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets		1,705
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		536
Goodwill		13,496
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		1,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		32
Current liabilities		(854)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		(5,793)
Consideration paid at closing		10,622
Business Acquisition, Deferred Payments		1,516
Business Combination, Contingent Consideration		4,276
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net		16,414
Scenario, Adjustment [Member] | Induc [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets		(342)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		255
Goodwill		(2,590)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill		812
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		(32)
Current liabilities		854
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		1,043
Consideration paid at closing		0
Business Acquisition, Deferred Payments		(165)
Business Combination, Contingent Consideration		(878)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net		$ (1,043)