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Derivative Instruments (Narrative) (Details) - Interest Rate Swap - USD ($)
$ in Millions
Apr. 02, 2016
Jan. 02, 2016
Feb. 28, 2015
Derivative [Line Items]      
Notional amount $ 75.0 $ 75.0  
Interest Rate Swap Due May Two Thousand Nineteen      
Derivative [Line Items]      
Notional amount     $ 25.0
Fixed interest rate     1.58%
Interest Rate Swap Due May Two Thousand Twenty Four      
Derivative [Line Items]      
Notional amount     $ 50.0
Fixed interest rate     1.98%