XML 67 R53.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivatives - Fair Value of Derivative Instruments (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 30, 2017
Designated as Hedging Instrument [Member] | Interest Rate Swap Agreement [Member] | Other Long-Term Assets [Member]    
Derivatives in an Asset Position:    
Derivatives in an asset position $ 204 $ 126
Notional amount, Derivative asset 10,000 10,000
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Other Current Assets [Member]    
Derivatives in an Asset Position:    
Derivatives in an asset position 24 0
Notional amount, Derivative asset 1,002 0
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Other Current Assets [Member]    
Derivatives in an Asset Position:    
Derivatives in an asset position 0 17
Notional amount, Derivative asset 0 1,244
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Other Current Liabilities [Member]    
Derivatives in a Liability Position:    
Derivatives in a liability position (1) (16)
Notional amount, Derivative liability $ 2,366 $ 2,049