CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 453.5	$ 598.7
Accounts receivable	1,020.9	969.3
Unbilled accounts receivable	431.7	443.2
Inventories	1,661.2	1,642.1
Other current assets	240.9	226.5
Total current assets	3,808.2	3,879.8
Property, plant and equipment, net	1,544.3	1,601.6
Goodwill	8,653.2	8,485.2
Other intangible assets, net	3,876.0	3,869.2
Other noncurrent assets	630.7	618.7
Total noncurrent assets	14,704.2	14,574.7
Total Assets	18,512.4	18,454.5
Current Liabilities
Accounts payable	994.7	909.4
Customer deposits	597.5	642.7
Accrued compensation	243.2	242.3
Accrued warranty	245.2	240.1
Current portion of long-term debt	0.6	447.2
Other accrued liabilities	763.5	744.6
Total current liabilities	2,844.7	3,226.3
Long-term debt	4,079.6	3,792.2
Accrued postretirement and pension benefits	108.1	113.5
Deferred income taxes	194.1	168.4
Contingent consideration	219.2	218.1
Other long term liabilities	738.9	783.3
Total Liabilities	8,184.6	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 189.0 and 188.9 outstanding at June 30, 2021 and December 31, 2020, respectively	2.0	2.0
Additional paid-in capital	7,896.7	7,880.6
Treasury stock, at cost, 37.9 and 38.0 shares, at June 30, 2021 and December 31, 2020, respectively	(1,008.6)	(1,010.1)
Retained earnings	3,780.1	3,588.9
Accumulated other comprehensive loss	(375.8)	(339.1)
Total Westinghouse Air Brake Technologies Corporation shareholders’ equity	10,294.4	10,122.3
Noncontrolling interest	33.4	30.4
Total Equity	10,327.8	10,152.7
Total Liabilities and Equity	$ 18,512.4	$ 18,454.5