CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
Revenues	$ 668.2	$ 579.1	$ 1,287.7	$ 1,060.8
Cost of sales	418.9	363.2	806.6	670.3
Gross Profit	249.3	215.9	481.1	390.5
Selling and administrative expenses	115.8	125.6	222.6	228.0
Amortization of intangible assets	31.5	30.5	62.4	58.1
Other operating expense, net	0.6	161.4	4.9	169.3
Operating Income (Loss)	101.4	(101.6)	191.2	(64.9)
Interest expense	26.1	39.5	52.1	85.3
Loss on extinguishment of debt	0.2	50.4	0.2	50.4
Other income, net	(2.4)	(1.3)	(4.5)	(1.8)
Income (Loss) Before Income Taxes	77.5	(190.2)	143.4	(198.8)
Provision (benefit) for income taxes	17.2	(43.9)	40.7	(45.6)
Net Income (Loss)	60.3	(146.3)	102.7	(153.2)
Less: Net income attributable to noncontrolling interests	0.0	0.0	0.0	0.1
Net Income (Loss) Attributable to Gardner Denver Holdings, Inc.	$ 60.3	$ (146.3)	$ 102.7	$ (153.3)
Basic income (loss) per share (in dollars per share)	$ 0.30	$ (0.83)	$ 0.51	$ (0.94)
Diluted income (loss) per share (in dollars per share)	$ 0.29	$ (0.83)	$ 0.49	$ (0.94)