CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Allowance for doubtful accounts on trade receivables	$ 10.8	$ 11.1
Accumulated depreciation on property, plant and equipment	373.2	304.7
Accumulated amortization on intangible assets	$ 119.9	$ 84.8
Class A Common Stock
Preferred Stock, Par Value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, shares authorized (in shares)	1,000	1,000
Preferred Stock, shares issued (in shares)	546	546
Preferred Stock, shares outstanding (in shares)	546	546