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Debt - Long-Term Debt (Parenthetical) (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2016 | Mar. 31, 2016
Credit Agreement | Term Loan |  |
Debt Instrument [Line Items] |  |
Basis spread on term loan | 1.75% |
Term loan combined interest rate | 2.59% |
Maturity period | Feb. 29, 2020 |
Credit Agreement | Revolving Loan |  |
Debt Instrument [Line Items] |  |
Amount available under credit facility | $ 200,000,000 |
Maturity period | Feb. 29, 2020 |
Senior Subordinated Convertible Notes 2010 |  |
Debt Instrument [Line Items] |  |
Maturity period | Mar. 01, 2017 |
Interest rate on senior subordinated convertible notes | 3.00% |
Senior Convertible Notes 2016 |  |
Debt Instrument [Line Items] |  |
Maturity period | Mar. 15, 2036 |
Interest rate on senior subordinated convertible notes | 4.25% | 4.25%

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- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 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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- 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 Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + 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)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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