Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 324.4	$ 897.1
Receivables, net	814.6	554.4
Inventories, net	605.1	432.7
Contract assets	72.1	84.5
Prepaid expenses	49.9	35.8
Other current assets	284.8	60.2
Discontinued operations	0.0	144.6
Total current assets	2,150.9	2,209.3
Property, plant and equipment, net	759.9	672.1
Goodwill, net	2,199.0	1,641.7
Other intangible assets, net	2,008.7	960.9
Other long-term assets	128.3	107.4
Discontinued operations	0.0	275.0
Total assets	7,246.8	5,866.4
Current liabilities:
Accounts payable	432.4	284.5
Current portion of debt	352.0	1.1
Accrued and other current liabilities	351.2	274.6
Contract liabilities	33.9	32.5
Discontinued operations	0.0	53.5
Total current liabilities	1,169.5	646.2
Long-term liabilities:
Long-term debt, less current portion	2,575.4	2,080.2
Contract liabilities	250.0	235.8
Other long-term liabilities	622.4	344.6
Discontinued operations	0.0	21.9
Total long-term liabilities	3,447.8	2,682.5
Stockholders' equity:
Preferred stock, $1 par value per share (5.0 shares authorized and unissued)	0.0	0.0
Common stock, $1 par value per share (200.0 shares authorized; 52.0 and 52.9 shares outstanding, respectively)	78.7	78.7
Additional paid-in capital	481.5	441.7
Treasury shares, at cost (26.4 and 25.5 shares, respectively)	(2,063.2)	(1,814.4)
Accumulated other comprehensive loss	(105.2)	(97.0)
Retained earnings	4,237.7	3,928.7
Total stockholders' equity	2,629.5	2,537.7
Total liabilities and equity	$ 7,246.8	$ 5,866.4