Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 767.2	$ 902.2
Receivables, net of allowance for credit losses of $6.3 million and $6.8 million, respectively	683.2	612.7
Inventories, net	528.2	503.5
Contract assets	77.1	84.5
Prepaid expenses	27.4	37.0
Other current assets	61.4	69.4
Total current assets	2,144.5	2,209.3
Property, plant, and equipment, net	764.4	774.1
Goodwill, net	1,735.5	1,738.2
Other intangible assets, net	1,000.8	1,034.8
Other long-term assets	107.0	110.0
Total assets	5,752.2	5,866.4
Current liabilities:
Accounts payable	359.2	317.6
Accrued and other current liabilities	266.8	295.0
Contract liabilities	32.9	32.5
Current portion of debt	1.2	1.1
Total current liabilities	660.1	646.2
Long-term liabilities:
Long-term debt, less current portion	2,081.0	2,080.2
Contract liabilities	238.1	235.8
Other long-term liabilities	361.2	366.5
Total long-term liabilities	2,680.3	2,682.5
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; 52.1 and 52.9 shares outstanding, respectively)	78.7	78.7
Additional paid-in capital	443.4	441.7
Treasury shares, at cost (26.3 and 25.5 shares, respectively)	(1,951.6)	(1,814.4)
Accumulated other comprehensive loss	(111.1)	(97.0)
Retained earnings	3,952.4	3,928.7
Total shareholders' equity	2,411.8	2,537.7
Total liabilities and equity	$ 5,752.2	$ 5,866.4