Convertible Senior Debt (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Schedule of Convertible Senior Debt

The following table summarizes the Company’s convertible senior debt:

	March 31, 2015		December 31, 2014
	(in thousands)
5.000% Notes due 2016	$	9,519	$	50,000
4.250% Notes due 2018	229,913		350,000
3.625% Notes due 2020	171,762		300,000
Total	$	411,194	$	700,000

Schedule of Exchange Agreement Transactions

The following table summarizes the 2015 exchange agreement transactions.

Agreement Date	Issuance	Aggregate Principal		Class A Common Shares Issued	Cash Payments to Noteholders		Loss on Extinguishment
		(in thousands, except share data)
February 26, 2015	2018 Senior Notes	$	120,087	5,541,115	$	13,641	$	13,372
February 26, 2015	2020 Senior Notes	$	128,238	5,297,885	$	19,283	$	19,038
March 5, 2015	2016 Senior Notes	$	40,481	2,805,513	$	6,163	$	2,732
		$	288,806	13,644,513	$	39,087	$	35,142