Summary of Significant Accounting Policies - Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Maximum period for collection of receivables	5 years
Reserve for inventory	inventory in excess of 12-month demand
Additions to capitalized computer software for internal use	$ 2,000	$ 2,100	$ 4,700
Depreciation and amortization, property plant and equipment	$ 48,700	49,200	49,500
Period for revenue recognition for perpetual licenses maintenance	12 months
Loss on reissuance of treasury stock	$ (74,711)	(66,148)	(42,657)
Percentage of likelihood of tax benefit being realized upon effective settlement of audit	50.00%
Advertising expense	$ 7,900	6,600	7,400
Retained Earnings [Member]
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Loss on reissuance of treasury stock	$ 0	$ 0	$ 0
Software Products [Member]
Pro Forma Revenue [Line Items]
General Term of Software Arrangement Minimum	2 years
General Term of Software Arrangement Maximum	3 years