XML 17 R5.htm IDEA: XBRL DOCUMENT v3.10.0.1
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Statement of Comprehensive Income [Abstract]        
Net income $ 96.3 $ 189.2 $ 132.0 $ 359.7
Available-for-sale securities:        
Unrealized holding losses, net of tax effect 0.0 0.5 (5.6) (0.4)
Reclassification of realized transactions, net of tax effect 0.0 0.0 5.6 0.0
Defined benefit plans:        
Actuarial (losses) gains related to defined benefit pension plans, net of tax benefit (provision) (0.9) 0.6 3.5 (3.5)
Reclassification of realized transactions, net of tax effect 0.2 0.2 0.5 0.4
Change in net foreign currency translation adjustment (1.1) 0.0 (1.4) 0.0
Other comprehensive (loss) income, net of tax effect (1.8) 1.3 2.6 (3.5)
Comprehensive income $ 94.5 $ 190.5 $ 134.6 $ 356.2