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v3.4.0.3

Contingencies and Litigation (Details) BRL in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2016 USD ($) Customer Site | Mar. 31, 2015 USD ($) Customer | Mar. 31, 2014 Customer | Mar. 31, 2016 BRL Customer | Mar. 31, 2015 BRL
Concentration Risk [Line Items] |  |  |  |  |
Number of major customers | Customer | 2 | 2 | 1 |  |
Number of top customers | Customer | 10 |  |  | 10 |
Legal Matters [Abstract] |  |  |  |  |
Brazil legal matter | $ 2.8 | $ 3.2 |  | BRL 10.0 | BRL 10.0
Closed and Sold Manufacturing Facility [Member] |  |  |  |  |
Site Contingency [Line Items] |  |  |  |  |
Reserves for environmental matters | $ | $ 5.1 | $ 3.8 |  |  |
Closed and Sold Manufacturing Facility [Member] | United States [Member] |  |  |  |  |
Site Contingency [Line Items] |  |  |  |  |
Number of sites remediation considered for potentially responsible party | Site | 3 |  |  |  |
Reserves for environmental matters | $ | $ 1.6 |  |  |  |
Customer Concentration Risk [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk, percentage | 63.00% | 63.00% | 56.00% |  |
Credit Concentration Risk [Member] |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk, percentage | 45.00% | 47.00% |  |  |

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