Investment in Affiliate	12 Months Ended
Investment in Affiliate	Mar. 31, 2015
Investment in Affiliate [Abstract]
Investment in Affiliate	Note 12: Investment in Affiliate The Company’s investment in its non-consolidated affiliate is accounted for under the equity method. The Company has a 50 percent ownership of Nikkei Heat Exchanger Company, Ltd. (“NEX”). At March 31, 2015 and 2014, the Company included the investment in NEX of $3.2 million and $3.4 million, respectively, in other noncurrent assets. At March 31, 2015, the investment in NEX is equal to the Company's investment in the underlying assets. The Company reports the results of operations for NEX in the consolidated financial statements using a one-month reporting delay. The Company reports equity in earnings from non-consolidated affiliates within other income and expense in the consolidated statements of operations. The Company’s share of NEX’s earnings for the years ended March 31, 2015, 2014, and 2013 was $0.6 million, $0.7 million and $0.3 million, respectively.

The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.

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