INVESTMENTS (AC JV, LLC - Activity) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Jan. 01, 2015	Dec. 26, 2013
Equity Investment
Equity in earnings attributable to AC JV, LLC	$ 31.0	$ 32.1	$ 37.5
Ending Balance	321.8
AC JV, LLC
Equity Investment
Beginning Balance	8.1	6.7	0.0
Issuance of promissory note to National CineMedia			8.3
Adjustment for gain recognized by National CineMedia			(1.9)
Equity contributions			0.3
Equity in earnings attributable to AC JV, LLC	1.0	1.4
Receipt of excess cash distributions	(1.6)
Ending Balance	$ 7.5	$ 8.1	$ 6.7

The aggregate of cash and noncash contributions made by the entity to an equity method investment during the period.

No definition available.

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- Definition

This item represents disclosure of the amount of dividends or other distributions received from an investment accounted for under the equity method of accounting that constitute a return of investment.

+ References

No definition available.

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- Definition

Equity Method Investments, Issuance Of Promissory Note

+ References

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

This element represents disclosure of the amount of gain which has been deferred as the result of the sale of a business or operating assets to a highly leveraged entity which deferred gain has been reflected in the accompanying statement of financial position as reduction from the related asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 40
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-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
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-Section U

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Section 45
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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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