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Redeemable Noncontrolling Interest (Narrative) (Details) - Pilgrim Media Group - USD ($) $ in Millions |  | 9 Months Ended
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Nov. 12, 2015 | Dec. 31, 2016
Redeemable Noncontrolling Interest [Line Items] |  |
Initial fair value of redeemable noncontrolling interest of Pilgrim Media Group | $ 90 |
Redeemable noncontrolling interest, ownership percentage held by noncontrolling owner | 37.50% |
Portion of noncontrolling interest redeemable after first term, five years after November 12, 2015 |  | 17.50%
First Put/ Call Option, Term |  | 5 years
Second Put/ Call Option, Term |  | 7 years

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- Definition The portion of redeemable noncontrolling interest, expressed as a percentage of the company acquired, that is redeemable at the completion of the first term. + References No definition available. + Details
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- Details
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