Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 450,511	$ 387,196
Accounts receivable, net	93,833	75,480
Inventories	22,830	26,525
Prepaid expenses	11,286	7,445
Deferred tax assets, net	47,517	35,813
Other current assets	21,395	19,113
Total current assets	647,372	551,572
Property and equipment, net	7,795	7,281
Intangible assets, net	835,003	869,952
Goodwill	436,355	442,600
Deferred tax assets, net, non-current	62,933	74,850
Deferred financing costs	15,686	16,576
Other long-term assets	4,546	3,662
Total assets	2,009,690	1,966,493
Current liabilities:
Accounts payable	31,634	15,887
Accrued liabilities	100,935	104,666
Current portion of long-term debt	32,656	29,688
Income taxes payable	37,803	39,884
Contingent consideration	39,300	0
Deferred tax liability, net	259	275
Deferred revenue	1,138	1,138
Total current liabilities	243,725	191,538
Deferred revenue, non-current	6,566	6,776
Long-term debt, less current portion	418,506	427,073
Contingent consideration, non-current	0	34,800
Deferred tax liability, net, non-current	169,176	178,393
Other non-current liabilities	9,817	6,621
Commitments and contingencies (Note 6)
Shareholders’ equity:
Ordinary shares	6	6
Non-voting euro deferred shares	55	55
Capital redemption reserve	471	471
Additional paid-in capital	1,168,633	1,151,010
Accumulated other comprehensive income	10,606	31,046
Accumulated deficit	(17,871)	(61,296)
Total shareholders’ equity	1,161,900	1,121,292
Total liabilities and shareholders’ equity	$ 2,009,690	$ 1,966,493