CONDENSENED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 701,602	$ 637,344
Investments	280,000	440,000
Accounts receivable, net of allowances	317,301	355,987
Inventories	85,610	78,608
Prepaid expenses	38,824	39,434
Other current assets	94,300	78,895
Total current assets	1,517,637	1,630,268
Property, plant and equipment, net	129,562	131,506
Operating lease assets	135,976	139,385
Intangible assets, net	2,238,658	2,440,977
Goodwill	909,226	920,018
Deferred tax assets, net	230,242	221,403
Deferred financing costs	6,887	7,426
Other non-current assets	47,107	47,914
Total assets	5,215,295	5,538,897
Current liabilities:
Accounts payable	66,308	47,545
Accrued liabilities	261,041	267,873
Current portion of long-term debt	33,387	33,387
Income taxes payable	31,211	10,965
Deferred revenue	4,176	4,720
Total current liabilities	396,123	364,490
Deferred revenue, non-current	4,225	4,861
Long-term debt, less current portion	1,576,984	1,573,870
Operating lease liabilities, less current portion	147,110	151,226
Deferred tax liabilities, net	165,095	224,095
Other non-current liabilities	117,258	109,374
Commitments and contingencies (Note 11)
Shareholders’ equity:
Ordinary shares	6	6
Non-voting euro deferred shares	55	55
Capital redemption reserve	472	472
Additional paid-in capital	2,294,474	2,266,026
Accumulated other comprehensive loss	(257,436)	(223,393)
Retained earnings	770,929	1,067,815
Total shareholders’ equity	2,808,500	3,110,981
Total liabilities and shareholders’ equity	$ 5,215,295	$ 5,538,897