Fair Value Measurements Fair Value of Items Measured on Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended					12 Months Ended
	Jan. 01, 2017	Jul. 03, 2016	Apr. 03, 2016	Jan. 03, 2016	Jun. 28, 2015	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held and used, Total losses						$ 15,928	$ 22,346
Held for sale, Total losses						313	2,655
Impairment of long-lived assets	$ 3,250	$ 5,525	$ 7,105	$ 11,533	$ 10,018	16,241	25,001	$ 19,613
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant, and Equipment, Fair Value Disclosure	5,462			10,244		5,462	10,244
Held for sale	1,552			4,328		1,552	4,328
Total	7,014			14,572		7,014	14,572
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant, and Equipment, Fair Value Disclosure	0			0		0	0
Held for sale	0			0		0	0
Total	0			0		0	0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant, and Equipment, Fair Value Disclosure	0			0		0	0
Held for sale	0			0		0	0
Total	0			0		0	0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant, and Equipment, Fair Value Disclosure	5,462			10,244		5,462	10,244
Held for sale	1,552			4,328		1,552	4,328
Total	$ 7,014			$ 14,572		$ 7,014	$ 14,572