Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income (loss)	$ 29.5	$ 24.7	$ (204.5)
Other comprehensive income (loss):
Foreign currency translation adjustments	26.9	(12.2)	(16.6)
Defined benefit pension plan:
Actuarial gain (loss) on remeasurement	2.4	1.5	(1.3)
Amortization of prior service cost included in net periodic pension expense	1.2	1.5	1.4
Defined benefit pension plan	3.6	3.0	0.1
Other comprehensive income (loss), before tax	30.5	(9.2)	(16.5)
Income tax expense related to defined benefit pension plan	(3.3)	(1.1)	(0.1)
Other comprehensive income (loss), net of taxes	27.2	(10.3)	(16.6)
Comprehensive income (loss)	56.7	14.4	(221.1)
Less: comprehensive (income) loss attributable to noncontrolling interests, net of taxes	(1.6)	3.5	1.9
Comprehensive income (loss) attributable to Chart Industries, Inc.	$ 55.1	$ 17.9	$ (219.2)