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Derivative Instruments and Hedging Activities (Detail Textuals)
€ in Millions, £ in Millions, R in Millions, $ in Millions, $ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2018
EUR (€)
Dec. 31, 2018
AUD ($)
Dec. 31, 2018
CAD ($)
Dec. 31, 2018
GBP (£)
Dec. 31, 2018
ZAR (R)
Dec. 31, 2017
USD ($)
Derivatives, Fair Value [Line Items]                  
Hedge ineffectiveness in earnings $ 0.5                
Amount estimated reclassified as an increase to interest expense 8.8                
Fair value of derivatives in net asset position $ 4.6               $ 6.1
Maximum time frame for derivatives 20 months                
2.25% Interest Rate Swaps Matures on March 31, 2020 | Cash Flow Hedging                  
Derivatives, Fair Value [Line Items]                  
Variable-rate debt upon conversion     $ 625.0            
Fixed interest rate     2.25%            
Maturity date Mar. 31, 2020                
Interest rate swap | Cash Flow Hedging                  
Derivatives, Fair Value [Line Items]                  
Fixed interest rate 2.63%     2.63% 2.63% 2.63% 2.63% 2.63%  
Maturity date Jun. 30, 2022                
Derivative notional amount $ 1,075.0                
Forward Contracts                  
Derivatives, Fair Value [Line Items]                  
Derivative notional amount       € 60 $ 10 $ 31 £ 30.0 R 747.5  
Term Loan A-1 | 0.98% Interest Rate Swaps Matures on March 31, 2020 | Cash Flow Hedging                  
Derivatives, Fair Value [Line Items]                  
Variable-rate debt upon conversion   $ 450.0              
Fixed interest rate   0.98%              
Maturity date Mar. 31, 2020