XML 46 R34.htm IDEA: XBRL DOCUMENT v3.7.0.1
3. Foreign Exchange Forward Contracts (Details)
$ in Millions
6 Months Ended
Jun. 30, 2017
USD ($)
Forward foreign exchange contract to sell foreign currency [Member]  
Derivatives, Fair Value [Line Items]  
Notional value $ 76.8
Gain (Loss) on Foreign Currency Derivative Instruments not Designated as Hedging Instruments (0.2)
Forward foreign exchange contract to purchase foreign currency [Member]  
Derivatives, Fair Value [Line Items]  
Notional value 327.0
Gain (Loss) on Foreign Currency Derivative Instruments not Designated as Hedging Instruments $ (0.4)