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Convertible Senior Notes, Net (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Convertible Senior Notes

The following table summarizes the terms of the Notes.

	Principal Amount		Coupon Rate		Effective Rate (1)		Conversion Rate (2)		Maturity Date	Remaining Period of Amortization
2019 Notes	254,750		5.50	%	6.36	%	57.49		3/15/2019	1.20 years
2022 Notes	345,000		4.75	%	5.61	%	50.23		8/23/2022	4.65 years
Total	599,750

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(1) Effective rate includes the effect of the adjustment for the conversion option (See endnote (2) below), the value of which reduced the initial liability and was recorded in additional paid-in-capital.

(2) The Company has the option to settle any conversions in cash, shares of common stock or a combination thereof.  The conversion rate represents the number of shares of common stock issuable per $1,000 principal amount of the Notes converted, and includes adjustments relating to cash dividend payments made by the Company to stockholders that have been deferred and carried-forward in accordance with, and are not yet required to be made pursuant to, the terms of the applicable supplemental indenture.

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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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