Segment and Geographic Information, Total Assets by Segment (Details) - USD ($) $ in Millions		Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Total assets		$ 1,573.4	$ 1,449.5
Operating Segments [Member] | Americas [Member]
Segment Reporting Information [Line Items]
Total assets		290.6	282.9
Operating Segments [Member] | Europe [Member]
Segment Reporting Information [Line Items]
Total assets		324.0	269.4
Operating Segments [Member] | Asia [Member]
Segment Reporting Information [Line Items]
Total assets		144.5	111.3
Operating Segments [Member] | CIS [Member]
Segment Reporting Information [Line Items]
Total assets		630.0	576.0
Operating Segments [Member] | BHVAC [Member]
Segment Reporting Information [Line Items]
Total assets		88.1	85.2
Corporate and Eliminations [Member]
Segment Reporting Information [Line Items]
Total assets	[1]	$ 96.2	$ 124.7

[1] The decrease in total assets at Corporate was primarily due to a decrease in deferred tax assets resulting from the impact of tax reform in the U.S. See Note 7 for additional information regarding the reduction in the corporate tax rate in the U.S.