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Financing Arrangements (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Summary of carrying values and coupon rates on financing arrangements

The carrying values and the fixed contractual coupon rates of the Company's financing arrangements are as follows (dollars in thousands):

	December 31, 2015				December 31, 2014
Convertible notes payable, 2.16% to 3.84%, due 2015, VIE	$	—			$	334
Total current portion of notes payable	$	—			$	334
2019 Convertible Senior Notes
Principal amount outstanding	$	245,000			$	245,000
Unamortized discount	(39,628		)		(49,092		)
Net carrying amount	205,372				195,908
Total long-term portion of notes payable	$	205,372			$	195,908

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- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

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