Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 6.7	$ (11.2)	$ 29.4	$ (54.3)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	1.7	(21.8)	(3.3)	(42.4)
Unrecognized post-retirement plan (loss) gain	0.0	(0.2)	0.1	0.3
Unrealized (loss) gain on hedging activities	(0.4)	1.0	0.6	2.4
Total other comprehensive income (loss), net of tax	1.3	(21.0)	(2.6)	(39.7)
Comprehensive loss attributable to Milacron Holdings Corp.	$ 8.0	$ (32.2)	$ 26.8	$ (94.0)