CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net sales:
Total net sales	$ 1,929.9	$ 1,593.6
Cost of sales:
Total cost of sales	(1,351.2)	(1,204.6)
Gross profit	578.7	389.0
Operating expenses:
Selling, general and administrative expenses	(243.4)	(259.8)
Engineering expenses	(49.0)	(34.5)
Amortization expense	(69.0)	(27.4)
Total operating expenses	(361.4)	(321.7)
Income from operations	217.3	67.3
Other income and expenses:
Interest expense, net	(53.3)	(44.6)
Other expense, net	(14.8)	(8.2)
Income from operations before income taxes	149.2	14.5
Income tax expense	(38.0)	(18.5)
Net income (loss)	111.2	(4.0)
Less: Net loss (gain) attributable to noncontrolling interest	0.4	(0.5)
Net income (loss) attributable to Wabtec shareholders	$ 111.6	$ (4.5)
Basic
Net income (loss) attributable to Wabtec shareholders (in dollars per share)	$ 0.58	$ (0.04)
Diluted
Net income (loss) attributable to Wabtec shareholders (in dollars per share)	$ 0.58	$ (0.04)
Weighted average shares outstanding
Basic (in shares)	190.8	121.2
Diluted (in shares)	191.4	121.2
Goods
Net sales:
Total net sales	$ 1,590.8	$ 1,434.5
Cost of sales:
Total cost of sales	(1,155.9)	(1,073.6)
Services
Net sales:
Total net sales	339.1	159.1
Cost of sales:
Total cost of sales	$ (195.3)	$ (131.0)