Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Recorded Unconditional Purchase Obligations

Future estimated contractual obligations as of December 31, 2014 are:

Contractual Obligations (1) (2)	2015		2016		2017		2018		2019		Later Years		Total
	(In thousands)
Inventory related commitments	$	52,174	$	783	$	130	$	130	$	130	$	—	$	53,347
Long-term debt obligations	3,781		3,781		276,576		—		—		—		284,138
Research and development	72,617		1,952		3,210		44		10		—		77,833
Operating leases	8,221		7,556		8,235		7,230		7,277		48,540		87,059
Selling, general and administrative	2,589		1,167		74		—		—		—		3,830
Total contractual obligations	$	139,382	$	15,239	$	288,225	$	7,404	$	7,417	$	48,540	$	506,207

(1) This table does not include any milestone and royalty payments which may become payable to third parties for which the timing and likelihood of such payments are not known, as discussed below.

(2) This table does not include $400.0 million aggregate principal amount of the convertible senior notes due 2022 issued by us in January 2015 (see Footnote No. 22).