XML 151 R132.htm IDEA: XBRL DOCUMENT v3.19.1
Financial Instruments (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2019
Jul. 31, 2018
Jun. 25, 2018
May 23, 2018
Mar. 31, 2018
Derivative [Line Items]          
Remaining maturity of forward foreign exchange contracts, maximum 12 months        
Interest rate swap cash flow hedge loss estimated to be reclassified into earnings during next 12 months $ 3.7        
Interest Rate Swap          
Derivative [Line Items]          
Notional amount 1,700.0 $ 300.0 $ 200.0 $ 1,000.0 $ 0.0
Maximum          
Derivative [Line Items]          
Foreign currency cash flow hedge loss estimated to be reclassified into earnings during next 12 months $ 0.1