Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Product sales, net	$ 333,916	$ 307,035
Royalties and contract revenues	2,094	2,268
Total revenues	336,010	309,303
Operating expenses:
Cost of product sales (excluding amortization of intangible assets)	23,439	28,298
Selling, general and administrative	128,765	112,388
Research and development	31,252	27,181
Acquired in-process research and development	8,750	0
Intangible asset amortization	22,642	24,677
Total operating expenses	214,848	192,544
Income from operations	121,162	116,759
Interest expense, net	(12,192)	(16,245)
Foreign currency gain (loss)	(819)	2,245
Income before income tax provision	108,151	102,759
Income tax provision	34,030	32,059
Net income	$ 74,121	$ 70,700
Net income per ordinary share:
Basic (in dollars per share)	$ 1.21	$ 1.16
Diluted (in dollars per share)	$ 1.19	$ 1.12
Weighted-average ordinary shares used in per share calculations - basic (in shares)	61,142	60,803
Weighted-average ordinary shares used in per share calculations - diluted (in shares)	62,474	62,964