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Fair Value Measurements - Available-for-Sale Securities Measured at Fair Value (Parenthetical) (Detail) | Mar. 31, 2014
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Senior Notes [Member] |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
Fixed annual rate of interest | 8.00%
Convertible Debt [Member] |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
Debt instrument stated interest rate | 3.875%
Fair Value, Measurements, Recurring [Member] | Senior Notes [Member] |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
Fixed annual rate of interest | 8.00%
Fair Value, Measurements, Recurring [Member] | Convertible Debt [Member] |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
Debt instrument stated interest rate | 3.875%

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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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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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- Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + 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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