Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 902.2	$ 351.2
Receivables, net	612.7	682.5
Contract assets	84.5	100.5
Inventories, net	503.5	510.6
Prepaid expenses	37.0	30.5
Other current assets	69.4	76.7
Total current assets	2,209.3	1,752.0
Property, plant and equipment, net	774.1	783.5
Goodwill, net	1,738.2	1,716.3
Other intangible assets, net	1,034.8	1,140.6
Other long-term assets	110.0	103.6
Total assets	5,866.4	5,496.0
Current liabilities:
Accounts payable	317.6	327.3
Accrued and other current liabilities	295.0	294.5
Contract liabilities	32.5	27.0
Current portion of debt	1.1	250.2
Total current liabilities	646.2	899.0
Long-term liabilities:
Long-term debt, less current portion	2,080.2	1,341.4
Contract liabilities	235.8	220.4
Other long-term liabilities	366.5	392.4
Total long-term liabilities	2,682.5	1,954.2
Shareholders' 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; 52.9 and 55.7 shares outstanding, respectively)	78.7	78.7
Additional paid-in capital	441.7	416.6
Treasury shares, at cost (25.5 and 22.7 shares, respectively)	(1,814.4)	(1,449.7)
Accumulated other comprehensive loss	(97.0)	(124.1)
Retained earnings	3,928.7	3,721.3
Total shareholders' equity	2,537.7	2,642.8
Total liabilities and equity	$ 5,866.4	$ 5,496.0