Redeemable Non-controlling Interests and Non-controlling Interest - Additional Information (Details) - USD ($) $ in Millions	Feb. 25, 2016	Jun. 30, 2016
Noncontrolling Interest [Line Items]
Voting interest held by the company (in hundredths)		80.00%
Travel Channel [Member]
Noncontrolling Interest [Line Items]
Ownership interest held by noncontrolling interest (in hundredths)		35.00%
Fair value of residual interest acquired	$ 99.0
Ownership interest (in hundredths)	100.00%	100.00%