Income Taxes Income Taxes Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Apr. 03, 2016	Jul. 03, 2016	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Effective Income Tax Rate Reconciliation [Line Items]
Quantifying Misstatement in Current Year Financial Statements, Federal Amount		$ (3,837)
Quantifying Misstatement in Current Year Financial Statements, State Amount		$ (398)
Quantifying Misstatement in Current Year Financial Statements, Amount	$ (2,878)
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount			$ (70,592)	$ (81,945)	$ (67,389)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount			(3,767)	(7,234)	(4,747)
Non-deductible goodwill			(6,409)	(7,435)	(9,389)
Valuation allowances			4,915	(6,075)	(665)
Foreign and U.S. tax effects of foreign operations			2,278	4,389	4,089
Non-deductible expenses and other, net			1,509	4,151	1,985
Provision for income taxes			(72,066)	(94,149)	(76,116)
System Optimization [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Non-deductible goodwill			(7,544)	(8,987)	(9,389)
Valuation allowances			(2,062)	4,542
Foreign Tax Authority [Member] | System Optimization [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Provision for income taxes					$ (70)
State and Local Jurisdiction [Member] | System Optimization [Member]
Effective Income Tax Rate Reconciliation [Line Items]
Provision for income taxes			$ 2,692	$ (1,587)