Commitments and Contingencies (Details) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended
	Aug. 31, 2014 lawsuit	Oct. 31, 2014 lawsuit	Jun. 30, 2016 USD ($)
Loss Contingencies [Line Items]
Remaining purchase obligation			$ 11.7
Shareholder Class Action Lawsuit [Member] | Pending Litigation [Member] | Unfavorable Regulatory Action [Member]
Loss Contingencies [Line Items]
Loss contingency, new claims filed | lawsuit	2
Antitrust Class Action [Member] | Pending Litigation [Member] | Unfavorable Regulatory Action [Member]
Loss Contingencies [Line Items]
Loss contingency, new claims filed | lawsuit		3
Prepaid Expenses [Member]
Loss Contingencies [Line Items]
Certain capital assets purchased to be resold			6.3
Other Assets [Member]
Loss Contingencies [Line Items]
Certain capital assets purchased to be resold			12.0
Dreamworks Animation [Member]
Loss Contingencies [Line Items]
Retention bonus payout commitment			17.3
Retention bonus payment expensed during period			$ 1.2
Retention bonus payout commitment, expected remaining payout, period after closing			6 months
Retention bonus commitment, to be paid upon closing, percent			50.00%
Retention bonus commitment, to be paid if agreement is terminated, percent			50.00%