Business and Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Mar. 31, 2015 country continent plant
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of countries Company operates in	11
Numer of continents Company operates in	4
Number of operating plants	25
Number of plants with recycling operations	11
Percentage of employees represented by labor unions	49.00%
Maximum amortization period of unfunded actuarial liability	15 years 0 months