v3.7.0.1

Debt - Long Term Debt (Phantom) (Detail) | 12 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Apr. 23, 2015
Senior Unsecured 3.375% Convertible Notes Due 2038 |  |
Debt Instrument [Line Items] |  |
Interest rate of debt instrument | 3.375% | 3.375%
Maturity year | 2038 |
2011 Credit Facility Due 2018 |  |
Debt Instrument [Line Items] |  |
Maturity year | 2018 |

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- Definition Debt Instrument Maturity Year + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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