Commitments and Contingencies (Contractual Obligation, Fiscal Year Maturity Schedule) (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Purchase Obligation	$ 991,231	[1]
Purchase Obligation, Due in Next Twelve Months	288,868	[1]
Purchase Obligation, Due in Second and Third Year	173,917	[1]
Purchase Obligation, Due in Fourth and Fifth Year	67,735	[1]
Purchase Obligation, Due after Fifth Year	460,711	[1]
Other Commitment	75,574	[2]
Other Commitment, Due in Next Twelve Months	75,574	[2]
Other Commitment, Due in Second and Third Year	0	[2]
Other Commitment, Due in Fourth and Fifth Year	0	[2]
Other Commitment, Due after Fifth Year	0	[2]
Contractual Obligation, Total	1,066,805
Contractual Obligation, Due in Fiscal Year	364,442
Contractual Obligation, Due in Second and Third Year	173,917
Contractual Obligation, Due in Fourth and Fifth Year	67,735
Contractual Obligation, Due After Fifth Year	$ 460,711

[1] (1)Purchase obligation amounts not reflected on the balance sheet consist primarily of program rights obligations and transmission and marketing commitments that have not yet met the criteria to be recorded in the balance sheet.

[2] (2)Consists primarily of a guarantee of payments to a production service company for certain production related costs.