Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Market Forge Acquisition (Details) - USD ($) $ in Thousands	Jan. 07, 2014	Oct. 01, 2016	Jan. 02, 2016
Business Acquisition [Line Items]
Goodwill		$ 1,109,341	$ 983,339
Market Forge [Member]
Business Acquisition [Line Items]
Business Acquisition, Additional Payment Due	$ 200
Payments for Previous Acquisition	3,000
Business Combination, Contingent Consideration, Liability	1,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	1,951
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	120
Goodwill	5,906
Other intangibles	4,191
Current liabilities	(4,928)
Consideration paid at closing	7,240
Business Acquisition, Deferred Payments	3,000
Business Combination, Contingent Consideration	1,500
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	11,740
Market Forge [Member] | Scenario, Previously Reported [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	2,051
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	120
Goodwill	5,252
Other intangibles	4,191
Current liabilities	(4,374)
Consideration paid at closing	7,240
Business Acquisition, Deferred Payments	3,000
Business Combination, Contingent Consideration	1,374
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	11,614
Market Forge [Member] | Scenario, Adjustment [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	(100)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	0
Goodwill	654
Other intangibles	0
Current liabilities	(554)
Consideration paid at closing	0
Business Acquisition, Deferred Payments	0
Business Combination, Contingent Consideration	126
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 126