Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 576.1	$ 621.3
Restricted cash	0.2	0.2
Accounts receivable, net	274.7	230.9
Inventories, net	350.8	307.0
Prepaid expenses and other current assets	70.3	36.5
Total current assets	1,272.1	1,195.9
Property, plant and equipment, net	800.1	644.1
Intangible assets, net	604.6	663.1
Goodwill	224.9	266.7
Other assets	57.3	113.4
Total assets	2,959.0	2,883.2
Current liabilities:
Accounts payable	128.9	136.1
Accrued expenses	51.7	46.9
Accrued compensation	88.7	84.6
Debt, current portion	31.6	33.8
Other current liabilities	72.9	83.1
Total current liabilities	373.8	384.5
Contingent consideration, net of current portion	4.5	34.2
Debt, net of current portion	809.4	841.0
Deferred tax liability	94.9	53.2
Contract liabilities, net of current portion	4.7	55.5
Other liabilities	52.7	67.8
Total liabilities	1,340.0	1,436.2
Stockholders’ equity:
Preferred stock, $0.001 par value; 15.0 shares authorized, no shares issued and outstanding	0.0	0.0
Common stock, $0.001 par value; 200.0 shares authorized, 55.1 and 54.3 shares issued; 51.3 and 53.1 shares outstanding, respectively.	0.1	0.1
Treasury stock, at cost, 3.8 and 1.2 common shares, respectively	(152.2)	(39.6)
Additional paid-in capital	829.4	784.9
Accumulated other comprehensive loss, net	(16.1)	(25.3)
Retained earnings	957.8	726.9
Total stockholders’ equity	1,619.0	1,447.0
Total liabilities and stockholders’ equity	$ 2,959.0	$ 2,883.2