Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Acquisition Related Foreign Exchange Option (Details)

v3.8.0.1
Fair Value Measurements - Acquisition Related Foreign Exchange Option (Details) - Oct. 03, 2017
USD ($)
CAD ($)
Derivative [Line Items]    
Realized loss on foreign exchange $ 3,326,000  
Foreign Exchange Contract [Member]    
Derivative [Line Items]    
Notional amount   $ 200,000,000
Foreign currency exchange minimum 162,100,000  
Foreign currency exchange maximum 159,200,000  
Spot rate value $ 155,900,000