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2.25% Convertible Senior Notes Due 2019 (Tables)

6 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Carrying Amounts of Liability and Equity Components

The following table presents the carrying amounts of the liability and equity components:

		June 30, 2014
Amount of the equity component (1)		$	45,807,685
2.25% convertible senior notes due 2019		$	330,000,000
Unamortized debt discount (2)			(46,984,875	)
Transaction costs related to the debt component			(7,090,850	)
Net carrying amount		$	275,924,275

(1) Net of $1,177,190 of transaction costs related to the equity component of the Notes.

(2) As of June 30, 2014, the remaining period over which the unamortized debt discount will be amortized is 5 years.

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- Definition

Tabular disclosure of borrowings which can be exchanged for a specified number of another security at the option of the issuer or the holder. Disclosures include, but are not limited to, principal amount, amortized premium or discount, and amount of liability and equity components.

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