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Derivatives - Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Jan. 02, 2016
Derivatives Designated as Hedging Instruments | Interest rate swap agreements | Other Long-Term Assets    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Fair Value, Gross Asset $ 62 $ 38
Derivative Asset, Notional Amount 10,000 10,000
Derivatives Designated as Hedging Instruments | Interest rate swap agreements | Other Current Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 0 (91)
Derivative Liability, Notional Amount 0 5,250
Derivatives Designated as Hedging Instruments | Forward Currency-Exchange Contracts | Other Current Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability (41) (101)
Derivative Liability, Notional Amount 2,380 6,525
Derivatives Not Designated as Hedging Instruments | Forward Currency-Exchange Contracts | Other Current Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability (237) 0
Derivative Liability, Notional Amount 17,185 0
Derivatives Not Designated as Hedging Instruments | Forward Currency-Exchange Contracts | Other Current Assets    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Fair Value, Gross Asset 2 2,536
Derivative Asset, Notional Amount $ 227 $ 15,612