Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2018

Significant Accounting Policies [Abstract]

Supplemental cash flow information

Supplemental cash flow information:

	Years ended March 31,
	2018		2017		2016
Interest paid	$	23.4	$	15.4	$	10.7
Income taxes paid		20.1		12.7		10.1