XML 73 R86.htm IDEA: XBRL DOCUMENT v3.20.1
Derivative Financial Instruments (AOCI Related to Cash Flow Hedges) (Narrative) (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
Derivative Instruments, Gain (Loss) [Line Items]  
Loss from Components Excluded from Assessment of Fair Value Hedge Effectiveness $ 0.8
Gain (Loss) on Components Excluded from Assessment of Interest Rate Cash Flow Hedge Effectiveness 11.6
Cash Flow Hedging [Member]  
Derivative Instruments, Gain (Loss) [Line Items]  
Estimate of amount to be reclassified from AOCL (2.1)
Remaining unamortized gain (loss) on termination of cash flow hedges (4.2)
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]  
Derivative Instruments, Gain (Loss) [Line Items]  
Estimate of amount to be reclassified from AOCL $ (6.3)