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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2020
Treasury Lock | Derivatives Designated as Cash Flow Hedges | Designated as Hedging Instrument    
Derivative [Line Items]    
Designated hedged item, gain (loss) recognized in other comprehensive income $ (20.8)  
Interest Rate Swap Locks    
Derivative [Line Items]    
Amount de-designated and partially cash settled   $ 11.1
Interest Rate Swap Locks | Derivatives Designated as Cash Flow Hedges | Designated as Hedging Instrument    
Derivative [Line Items]    
Designated hedged item, gain (loss) recognized in other comprehensive income   (1.4)
Foreign currency exchange contracts | Derivatives Designated as Cash Flow Hedges | Designated as Hedging Instrument    
Derivative [Line Items]    
AOCI gain (loss) balance expected to be reclassified in next twelve months, net of tax   $ 4.7
New Zealand JV | Foreign Currency Exchange and Option Contracts, Scale 2    
Derivative [Line Items]    
Foreign currency cash flow hedge, period (in months)   12 months
New Zealand JV | Minimum | Foreign Currency Exchange and Option Contracts, Scale 2    
Derivative [Line Items]    
Foreign currency exposure hedged for forecasted sales in next twelve months, percent   50.00%
New Zealand JV | Minimum | Forecasted Sales and Purchases, term 2    
Derivative [Line Items]    
Foreign currency cash flow hedge, period (in months)   12 months
New Zealand JV | Minimum | Foreign Sales and Purchases, term 3    
Derivative [Line Items]    
Foreign currency cash flow hedge, period (in months)   18 months
New Zealand JV | Maximum | Foreign Currency Exchange and Option Contracts, Scale 2    
Derivative [Line Items]    
Foreign currency exposure hedged for forecasted sales in next twelve months, percent   90.00%
New Zealand JV | Maximum | Forecasted Sales and Purchases, term 2    
Derivative [Line Items]    
Foreign currency cash flow hedge, period (in months)   18 months
Foreign currency exposure hedged for forecasted sales in next 12 to 18 months, percent   75.00%
New Zealand JV | Maximum | Foreign Sales and Purchases, term 3    
Derivative [Line Items]    
Foreign currency cash flow hedge, period (in months)   48 months
Percent of forecast sales and purchases hedged for 18 to 48 months   50.00%