Financing Arrangements - Interest Rate Swaps (Details) $ in Thousands	12 Months Ended
	Jan. 02, 2016 USD ($)
Interest Rate Swap 1 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	2.52%
Effective Date	Feb. 23, 2011
Maturity Date	Feb. 23, 2016
Derivative, Notional Amount	$ 25,000,000
Interest Rate Swap 2 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	1.185%
Effective Date	Sep. 12, 2011
Maturity Date	Sep. 12, 2016
Derivative, Notional Amount	$ 15,000,000
Interest Rate Swap 4 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	0.635%
Effective Date	Feb. 11, 2013
Maturity Date	Aug. 11, 2016
Derivative, Notional Amount	$ 25,000,000
Interest Rate Swap 5 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	0.789%
Effective Date	Feb. 11, 2013
Maturity Date	Mar. 11, 2017
Derivative, Notional Amount	$ 25,000,000
Interest Rate Swap 6 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	0.803%
Effective Date	Feb. 11, 2013
Maturity Date	May 11, 2017
Derivative, Notional Amount	$ 25,000,000
Interest Rate Swap 7 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	0.88%
Effective Date	Feb. 11, 2013
Maturity Date	Jul. 11, 2017
Derivative, Notional Amount	$ 35,000,000
Interest Rate Swap 8 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	1.48%
Effective Date	Sep. 11, 2013
Maturity Date	Jul. 11, 2017
Derivative, Notional Amount	$ 10,000,000
Interest Rate Swap 9 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	0.92%
Effective Date	Mar. 11, 2014
Maturity Date	Jul. 11, 2017
Derivative, Notional Amount	$ 15,000,000
interest rate swap 10 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	0.95%
Effective Date	Mar. 11, 2014
Maturity Date	Jul. 11, 2017
Derivative, Notional Amount	$ 25,000,000