XML 101 R84.htm IDEA: XBRL DOCUMENT v3.6.0.2
Defined Benefit Pension Plans Level 3 Plan Asset Rollforward (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Fair Value of Plan Assets $ 10,215 $ 9,662 $ 10,761
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets (29) (1,621)  
Defined Benefit Plan, Actual Return on Plan Assets 604 159  
Fair Value, Inputs, Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Fair Value of Plan Assets 9,432 8,867 10,035
Defined Benefit Plan, Transfers Between Measurement Levels 0 0  
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets (45) (1,551)  
Defined Benefit Plan, Purchases, Sales, and Settlements (30) 290  
Defined Benefit Plan, Actual Return on Plan Assets 640 93  
Guaranteed Insurance Contract, Type of Benefit [Domain]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Fair Value of Plan Assets 7,011 7,089  
Guaranteed Insurance Contract, Type of Benefit [Domain] | Fair Value, Inputs, Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Fair Value of Plan Assets 7,011 7,089 7,440
Defined Benefit Plan, Transfers Between Measurement Levels 0 0  
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets (367) (772)  
Defined Benefit Plan, Purchases, Sales, and Settlements 54 372  
Defined Benefit Plan, Actual Return on Plan Assets 235 49  
Securities (Assets) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Fair Value of Plan Assets 2,421 1,778  
Securities (Assets) [Member] | Fair Value, Inputs, Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Fair Value of Plan Assets 2,421 1,778 $ 2,595
Defined Benefit Plan, Transfers Between Measurement Levels 0 0  
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets 322 (779)  
Defined Benefit Plan, Purchases, Sales, and Settlements (84) (82)  
Defined Benefit Plan, Actual Return on Plan Assets $ 405 $ 44