Commitments and Contingencies Disclosure [Line Items]

No definition available.

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
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Balance Type:	credit
Period Type:	instant

- Definition

Contractually required future rental payments receivable on noncancelable subleasing arrangements.

+ References

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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+ Details

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- Details

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- Details

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- Details

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Other matters - Narrative (Detail) - USD ($) $ in Thousands	12 Months Ended
Other matters - Narrative (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 28, 2014
Commitments and Contingencies Disclosure [Line Items]
Future minimum payments due under non-cancelable operating leases	$ 258,509
Future minimum sublease rentals	5,900
Total rental costs reflected in continuing operations	46,400	$ 38,100	$ 29,500
Programming Contracts
Commitments and Contingencies Disclosure [Line Items]
Purchase commitments under contract	1,360,000
Capital Projects, Interactive Marketing Agreement, Licensing Fees and Other Commitments
Commitments and Contingencies Disclosure [Line Items]
Purchase commitments under contract	164,700
Voluntary Retirement Program (VRP)
Commitments and Contingencies Disclosure [Line Items]
Accrued separation liability	4,600
Severance \| Voluntary Retirement Program (VRP)
Commitments and Contingencies Disclosure [Line Items]
Restructuring charges	$ 16,000