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Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Goodwill [Roll Forward] |  |
Beginning balance | $ 15.8 | $ 16.2
Acquired Goodwill | 150.6 |
Effect of exchange rate changes | (1.3) | (0.4)
Ending balance | 165.1 | 15.8
Asia [Member] |  |
Goodwill [Roll Forward] |  |
Beginning balance | 0.5 | 0.5
Acquired Goodwill | 0.0 |
Effect of exchange rate changes | 0.0 | 0.0
Ending balance | 0.5 | 0.5
BHVAC [Member] |  |
Goodwill [Roll Forward] |  |
Beginning balance | 15.3 | 15.7
Acquired Goodwill | 0.0 |
Effect of exchange rate changes | (1.6) | (0.4)
Ending balance | 13.7 | 15.3
CIS [Member] |  |
Goodwill [Roll Forward] |  |
Beginning balance | 0.0 | 0.0
Acquired Goodwill | 150.6 |
Effect of exchange rate changes | 0.3 | 0.0
Ending balance | 150.9 | 0.0
Americas and Europe [Member] |  |
Goodwill [Roll Forward] |  |
Accumulated impairment losses | $ 31.6 | $ 8.7

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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