Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Induc Acquisition (Details) - USD ($) $ in Thousands	May 31, 2015	Jul. 02, 2016	May 20, 2016	Jan. 02, 2016	Dec. 15, 2015	May 30, 2015
Business Acquisition [Line Items]
Goodwill		$ 1,051,954		$ 983,339
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			$ 2,559
Induc [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability						$ 3,700
AdditonalPaymentstoAcquireBusinessses	$ 1,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets						1,380
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment						889
Goodwill						12,517
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill						1,200
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						(5,207)
Consideration paid at closing						10,779
Business Acquisition, Deferred Payments						1,472
Business Combination, Contingent Consideration						3,735
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net						15,986
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]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets					$ (296)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					0
Goodwill					1,526
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill					0
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					1,230
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net					$ 0
Scenario, Adjustment [Member] | Induc [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets						(325)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment						353
Goodwill						(979)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill						(300)
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						586
Consideration paid at closing						157
Business Acquisition, Deferred Payments						(44)
Business Combination, Contingent Consideration						(541)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net						$ (428)