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Fair Value Measurements - Fair Value of Assets and Liabilities Measured on a Recurring Basis (Details) - Recurring [Member] - USD ($)
$ in Thousands
Jul. 04, 2015
Jan. 03, 2015
Assets:    
Money market funds and time deposits $ 8,428 $ 9,264
Banker's acceptance drafts 5,683 6,334
Forward currency-exchange contracts 1,981 775
Interest rate swap agreement 58  
Liabilities:    
Forward currency-exchange contract 8 12
Interest rate swap agreement 238 377
Contingent consideration 1,082 1,133
Level 1 [Member]    
Assets:    
Money market funds and time deposits 8,428 9,264
Banker's acceptance drafts 0 0
Forward currency-exchange contracts 0 0
Interest rate swap agreement 0  
Liabilities:    
Forward currency-exchange contract 0 0
Interest rate swap agreement 0 0
Contingent consideration 0 0
Level 2 [Member]    
Assets:    
Money market funds and time deposits 0 0
Banker's acceptance drafts 5,683 6,334
Forward currency-exchange contracts 1,981 775
Interest rate swap agreement 58  
Liabilities:    
Forward currency-exchange contract 8 12
Interest rate swap agreement 238 377
Contingent consideration 0 0
Level 3 [Member]    
Assets:    
Money market funds and time deposits 0 0
Banker's acceptance drafts 0 0
Forward currency-exchange contracts 0 0
Interest rate swap agreement 0  
Liabilities:    
Forward currency-exchange contract 0 0
Interest rate swap agreement 0 0
Contingent consideration $ 1,082 $ 1,133