CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]
Revenues	$ 689.3	$ 649.6	$ 1,977.1	$ 1,710.4
Cost of sales	426.9	395.7	1,233.6	1,066.0
Gross Profit	262.4	253.9	743.5	644.4
Selling and administrative expenses	107.7	111.0	330.4	338.9
Amortization of intangible assets	31.0	29.5	93.4	87.6
Other operating expense, net	6.0	17.4	10.8	186.7
Operating Income	117.7	96.0	308.9	31.2
Interest expense	24.4	30.1	76.5	115.4
Loss on extinguishment of debt	0.9	34.1	1.0	84.5
Other income, net	(2.4)	(0.6)	(6.7)	(2.4)
Income (Loss) Before Income Taxes	94.8	32.4	238.1	(166.3)
Provision (benefit) for income taxes	22.6	4.4	63.2	(41.2)
Net Income (Loss)	72.2	28.0	174.9	(125.1)
Less: Net income attributable to noncontrolling interests	0.0	0.0	0.0	0.1
Net Income (Loss) Attributable to Gardner Denver Holdings, Inc.	$ 72.2	$ 28.0	$ 174.9	$ (125.2)
Basic income (loss) per share (in dollars per share)	$ 0.36	$ 0.14	$ 0.87	$ (0.71)
Diluted income (loss) per share (in dollars per share)	$ 0.35	$ 0.13	$ 0.83	$ (0.71)