CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Assets
Cash, cash equivalents and restricted cash	$ 456.4	$ 598.7
Accounts receivable	960.3	969.3
Unbilled accounts receivable	406.7	443.2
Inventories	1,689.6	1,642.1
Other current assets	247.1	226.5
Total current assets	3,760.1	3,879.8
Property, plant and equipment, net	1,509.0	1,601.6
Goodwill	8,604.7	8,485.2
Other intangible assets, net	3,779.8	3,869.2
Other noncurrent assets	698.3	618.7
Total noncurrent assets	14,591.8	14,574.7
Total Assets	18,351.9	18,454.5
Liabilities
Accounts payable	947.3	909.4
Customer deposits	556.9	642.7
Accrued compensation	309.3	242.3
Accrued warranty	238.1	240.1
Current portion of long-term debt	3.8	447.2
Other accrued liabilities	756.2	744.6
Total current liabilities	2,811.6	3,226.3
Long-term debt	4,067.2	3,792.2
Accrued postretirement and pension benefits	104.2	113.5
Deferred income taxes	184.7	168.4
Contingent consideration	219.8	218.1
Other long term liabilities	773.2	783.3
Total Liabilities	8,160.7	8,301.8
Commitments and contingencies (Note 15)
Equity
Common stock, $.01 par value; 500.0 shares authorized: 226.9 and 226.9 shares issued and 186.8 and 188.9 outstanding at September 30, 2021 and December 31, 2020, respectively	2.0	2.0
Additional paid-in capital	7,905.6	7,880.6
Treasury stock, at cost, 40.1 and 38.0 shares, at September 30, 2021 and December 31, 2020, respectively	(1,206.2)	(1,010.1)
Retained earnings	3,887.8	3,588.9
Accumulated other comprehensive loss	(432.6)	(339.1)
Total Westinghouse Air Brake Technologies Corporation shareholders’ equity	10,156.6	10,122.3
Noncontrolling interest	34.6	30.4
Total Equity	10,191.2	10,152.7
Total Liabilities and Equity	$ 18,351.9	$ 18,454.5