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Commitments, Contingencies and Litigation - (Additional Information) (Details) € in Thousands, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 11, 2013 USD ($) | Jun. 11, 2013 EUR (€) | Jul. 31, 2017 USD ($) | Jun. 30, 2017 USD ($) | Feb. 29, 2016 USD ($) | Dec. 30, 2018 USD ($) | Jul. 01, 2018 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2018 EUR (€) | Oct. 02, 2011 USD ($) | Oct. 02, 2011 EUR (€) | Mar. 31, 2018 USD ($) | Mar. 31, 2009 USD ($) | Mar. 31, 2009 EUR (€)
Commitments, Contingencies And Litigation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserves for anti-competition investigations |  |  |  |  |  | $ 0 |  | $ 2,326 |  |  |  | $ 2,326 |  |
Damages paid |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,200 | € 2,700
Litigation expense refunded to company | $ 2,756 | € 2,000 |  |  |  |  |  |  |  | $ 900 | € 671 |  |  |
Provision for environmental liabilities |  |  |  |  |  |  | $ 1,082 |  |  |  |  | 1,109 |  |
Belgium Anti-Competition Proceeding |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments, Contingencies And Litigation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Penalties paid relating to anti-competition investigations |  |  |  |  | $ 1,962 | 2,402 |  |  |  |  |  |  |  |
Reserves for anti-competition investigations |  |  |  |  |  | 0 |  | 2,326 |  |  |  | 2,326 |  |
Germany Anti-Competition Proceeding |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments, Contingencies And Litigation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Penalties paid relating to anti-competition investigations |  |  |  | $ 14,811 |  |  |  |  |  |  |  |  |  |
Reserves for anti-competition investigations |  |  |  |  |  | 0 |  | 0 |  |  |  | 0 |  |
Estimate of possible loss |  |  |  |  |  | 11,415 |  |  |  |  |  |  |  |
Dutch Anti-Competition Proceeding |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments, Contingencies And Litigation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Penalties paid relating to anti-competition investigations |  |  | $ 11,229 |  |  |  |  |  |  |  |  |  |  |
Reserves for anti-competition investigations |  |  |  |  |  | $ 0 |  | 0 |  |  |  | $ 0 |  |
Settled Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments, Contingencies And Litigation [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation expense refunded to company |  |  |  |  |  |  |  | $ 2,843 | € 2,500 |  |  |  |  |

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