Equity Securities, FV NI, Cost

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- Definition

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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- Definition

Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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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.

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- Definition

Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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- Definition

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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Investments - Equity Method Investments (Details) $ in Millions	3 Months Ended											12 Months Ended
	Dec. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jul. 01, 2018 USD ($)	Apr. 01, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 CAD ($)	Sep. 24, 2017 USD ($)	Jun. 25, 2017 USD ($)	Mar. 26, 2017 USD ($)	Dec. 25, 2016 USD ($)	Mar. 27, 2016 USD ($)	Dec. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 25, 2016 USD ($)
Schedule of Equity Method Investments [Line Items]
Investments in joint ventures	$ 0				$ 1,700,000							$ 0	$ 1,700,000
Gain/(loss) from joint ventures	10,773,000	$ (16,000)	$ (8,000)	$ 15,000	(12,823,000)		$ 31,557,000	$ (266,000)	$ 173,000			10,764,000	18,641,000	$ (36,273,000)
Loss from discontinued operations, net of income taxes					57,000		$ (488,000)	$ 0	$ 0			0	(431,000)	(2,273,000)
Newsprint and supercalendered paper purchased from the Paper Mills													11,000,000	14,000,000
Non-marketable equity securities	$ 13,700,000				$ 13,600,000							13,700,000	$ 13,600,000
Donohue Malbaie Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage					49.00%								49.00%
Gain/(loss) from joint ventures					$ (6,400,000)
Distributions received					$ 15,600,000	$ 20						$ 0	$ 0	0
Madison Paper Industries
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	40.00%											40.00%
Gain/(loss) from joint ventures												$ 10,800,000	$ 18,600,000	36,300,000
Distributions received														$ 0
Madison Paper Industries Owned Consolidated Subsidiary [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	80.00%											80.00%
Ownership of Madison Paper Industries by Consolidated Subsidiary [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%											50.00%
Resolute FP Canada, Inc. [Member] \| Donohue Malbaie Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage					51.00%								51.00%
UPM-Kymmene [Member] \| Madison Paper Industries
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	60.00%											60.00%
Madison Paper Industries
Schedule of Equity Method Investments [Line Items]
Gain on sale of assets										$ 3,900,000		$ 11,300,000	$ 20,800,000
Distributions received												$ 12,500,000.0	$ 0
Facility Closing [Member] \| Madison Paper Industries
Schedule of Equity Method Investments [Line Items]
Gain/(loss) from joint ventures											$ 41,400,000