Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 511,976	$ 213,034
Accounts receivable, net of allowances of $17,386 and $17,019, respectively	186,826	211,532
Inventory, net	324,675	312,419
Prepaid income taxes	17,628	10,434
Prepaid expenses and other current assets	17,294	16,917
Total current assets	1,058,399	764,336
Property and equipment, net	280,058	266,318
Intangible assets, net	191,136	201,092
Goodwill	559,299	561,064
Operating lease right-of-use assets	107,304	66,932
Deferred tax assets	9,354	9,162
Restricted cash and investments	1,494	1,494
Other assets	13,477	14,892
Total assets	2,220,521	1,885,290
Current liabilities:
Accounts payable and accrued liabilities	91,241	97,160
Contingent consideration liabilities	14,859	15,727
Accrued payroll and related expenses	40,173	86,458
Operating lease liabilities	7,031	5,567
Income tax liabilities	151	2,005
Senior convertible notes	628,681
Total current liabilities	782,136	206,917
Long-term senior convertible notes	361,633	623,298
Deferred and income tax liabilities	23,905	14,655
Operating lease liabilities	116,496	73,153
Other long-term liabilities	50,152	52,060
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized, none outstanding
Common stock, $0.001 par value; 120,000,000 shares authorized at March 31, 2020 and December 31, 2019, 57,691,871 and 57,524,658 issued and outstanding at March 31, 2020 and December 31, 2019, respectively	62	62
Additional paid-in capital	1,478,294	1,429,854
Accumulated other comprehensive loss	(13,227)	(9,418)
Retained earnings	87,773	82,475
Treasury stock at cost; 6,524,218 shares and 5,379,536 shares at March 31, 2020 and December 31, 2019, respectively	(666,703)	(587,766)
Total equity	886,199	915,207
Total liabilities and equity	$ 2,220,521	$ 1,885,290