Shareholders' Equity - Additional Information (Details) $ / shares in Units, $ in Millions				12 Months Ended
	Jun. 12, 2015	May. 15, 2015 USD ($)	Feb. 17, 2014 USD ($)	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2013 USD ($)	Jun. 25, 2015 shares	Mar. 07, 2013 shares	Mar. 06, 2013 $ / shares shares
Noncontrolling Interest [Line Items]
Common stock, shares authorized (in shares)				500,000,000	500,000,000		500,000,000	83,977,000	48,898,000
Preferred stock, shares authorized (in shares)				50,000,000	50,000,000		50,000,000		10,000
Preferred stock, par value (in dollars per share) | $ / shares				$ 0.01	$ 0.01				$ 0.01
Common stock, par value (in dollars per share) | $ / shares				$ 0.01	$ 0.01				$ 0.01
Common stock, shares issued (in shares)				67,296,678	52,286,100
Common stock, shares outstanding (in shares)				67,296,678	52,286,100
Preferred stock, shares issued (in shares)				0	0
Preferred stock, shares outstanding (in shares)				0	0
Acquisition of noncontrolling shares of Milacron Plastics Machinery (Jiangyin) Co., Ltd. | $			$ 1.9	$ 0.0	$ 1.9	$ 0.0
Reduction in paid-in capital for the excess par value of the purchase of the noncontrolling shares | $					1.9
Dividends paid to common stockholders | $		$ 144.6		$ 144.6	0.0	$ 0.0
Stock split conversion ratio	106.3
Paid-in Capital [Member]
Noncontrolling Interest [Line Items]
Reduction in paid-in capital for the excess par value of the purchase of the noncontrolling shares | $					$ 1.6