Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 713.3	$ 897.1
Receivables, net of allowance for credit losses of $4.7 million and $5.0 million, respectively	722.4	554.4
Inventories, net	462.6	432.7
Contract assets	71.5	84.5
Prepaid expenses	23.4	35.8
Other current assets	69.4	60.2
Assets held for sale	449.9	144.6
Total current assets	2,512.5	2,209.3
Property, plant, and equipment, net	674.2	672.1
Goodwill, net	1,640.2	1,641.7
Other intangible assets, net	903.9	960.9
Other long-term assets	108.5	107.4
Assets held for sale	0.0	275.0
Total assets	5,839.3	5,866.4
Current liabilities:
Accounts payable	387.1	284.5
Accrued and other current liabilities	246.1	274.6
Contract liabilities	34.5	32.5
Current portion of debt	1.2	1.1
Liabilities held for sale	92.8	53.5
Total current liabilities	761.7	646.2
Long-term liabilities:
Long-term debt, less current portion	2,080.4	2,080.2
Contract liabilities	240.5	235.8
Other long-term liabilities	338.8	344.6
Liabilities held for sale	0.0	21.9
Total long-term liabilities	2,659.7	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; 51.9 and 52.9 shares outstanding, respectively)	78.7	78.7
Additional paid-in capital	460.1	441.7
Treasury shares, at cost (26.5 and 25.5 shares, respectively)	(2,042.3)	(1,814.4)
Accumulated other comprehensive loss	(102.8)	(97.0)
Retained earnings	4,024.2	3,928.7
Total shareholders' equity	2,417.9	2,537.7
Total liabilities and equity	$ 5,839.3	$ 5,866.4