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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Fair value of financial and nonfinancial obligations.

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The aggregate fair value as of the reporting date of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Attributable To Redeemable Noncontrolling Interests [Abstract]
Redeemable noncontrolling interests	$ 832,138	$ 607,636	$ 542,194	$ 564,527
Estimate of Fair Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debt	1,666,100	1,218,900
Fair value, measurements, recurring [Member]
Assets [Abstract]
Derivative contracts - assets	11,799	1,240
Total assets	11,799	1,240
Liabilities [Abstract]
Derivative contracts - liabilities	2,089	931
Total liabilities	2,089	931
Attributable To Redeemable Noncontrolling Interests [Abstract]
Redeemable noncontrolling interests	832,138	607,636
Fair value, measurements, recurring [Member] \| Level 1 [Member]
Assets [Abstract]
Derivative contracts - assets	0	0
Total assets	0	0
Liabilities [Abstract]
Derivative contracts - liabilities	0	0
Total liabilities	0	0
Attributable To Redeemable Noncontrolling Interests [Abstract]
Redeemable noncontrolling interests	0	0
Fair value, measurements, recurring [Member] \| Level 2 [Member]
Assets [Abstract]
Derivative contracts - assets	11,799	1,240
Total assets	11,799	1,240
Liabilities [Abstract]
Derivative contracts - liabilities	2,089	931
Total liabilities	2,089	931
Attributable To Redeemable Noncontrolling Interests [Abstract]
Redeemable noncontrolling interests	0	0
Fair value, measurements, recurring [Member] \| Level 3 [Member]
Assets [Abstract]
Derivative contracts - assets	0	0
Total assets	0	0
Liabilities [Abstract]
Derivative contracts - liabilities	0	0
Total liabilities	0	0
Attributable To Redeemable Noncontrolling Interests [Abstract]
Redeemable noncontrolling interests	$ 832,138	$ 607,636