Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 499,018	$ 386,035
Investments	565,000	215,000
Accounts receivable, net of allowances	279,437	224,129
Inventories	43,435	43,245
Prepaid expenses	23,189	23,182
Other current assets	54,310	76,686
Total current assets	1,464,389	968,277
Property, plant and equipment, net	198,053	170,080
Intangible assets, net	2,787,281	2,979,127
Goodwill	932,422	947,537
Deferred tax assets, net	37,582	34,559
Deferred financing costs	10,058	7,673
Other non-current assets	56,003	16,419
Total assets	5,485,788	5,123,672
Current liabilities:
Accounts payable	37,373	24,368
Accrued liabilities	257,453	198,779
Current portion of long-term debt	33,387	40,605
Income taxes payable	7,139	21,577
Deferred revenue	5,935	8,618
Total current liabilities	341,287	293,947
Deferred revenue, non-current	10,934	16,115
Long-term debt, less current portion	1,560,582	1,540,433
Deferred tax liabilities, net	337,021	383,472
Other non-current liabilities	208,647	176,608
Commitments and contingencies (Note 10)
Shareholders’ equity:
Ordinary shares	6	6
Non-voting euro deferred shares	55	55
Capital redemption reserve	472	472
Additional paid-in capital	2,078,032	1,935,486
Accumulated other comprehensive loss	(179,466)	(140,878)
Retained earnings	1,128,218	917,956
Total shareholders’ equity	3,027,317	2,713,097
Total liabilities and shareholders’ equity	$ 5,485,788	$ 5,123,672