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Net Income Per Share (Narrative) (Details) - Jun. 30, 2014 - USD ($) $ in Millions | Total | Total
--- | --- | ---
Convertible Debt [Member] |  |
Debt Instrument [Line Items] |  |
Interest expense | $ 3.0 | $ 6.0

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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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