Summary of Significant Accounting Policies - Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Reserve for inventory	inventory in excess of 12-month demand
Additions to capitalized computer software for internal use	$ 3,500	$ 2,000	$ 2,100
Depreciation and amortization, property plant and equipment	$ 52,700	48,700	49,200
Period for revenue recognition for perpetual licenses maintenance	12 months
Maximum period for collection of receivables	5 years
Loss on reissuance of treasury stock	$ (55,432)	(74,711)	(66,148)
Percentage of likelihood of tax benefit being realized upon effective settlement of audit	50.00%
Advertising expense	$ 8,400	7,900	6,600
Retained Earnings [Member]
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Loss on reissuance of treasury stock	$ 0	$ 0	$ 0