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	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax				$ 1,797	$ 1,774	$ 915
Held and used, Total losses				3,413	15,928
Held for sale, Total losses				684	313
Impairment of long-lived assets	$ 3,250	$ 5,525	$ 7,105	4,097	16,241	$ 25,001
Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Property, Plant, and Equipment, Fair Value Disclosure	5,462			757	5,462
Held for sale	1,552			1,560	1,552
Total	7,014			2,317	7,014
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Property, Plant, and Equipment, Fair Value Disclosure	0			0	0
Held for sale	0			0	0
Total	0			0	0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Property, Plant, and Equipment, Fair Value Disclosure	0			0	0
Held for sale	0			0	0
Total	0			0	0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Property, Plant, and Equipment, Fair Value Disclosure	5,462			757	5,462
Held for sale	1,552			1,560	1,552
Total	$ 7,014			$ 2,317	$ 7,014