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- Definition

Impact Of Covid [Line Items]

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- Definition

Number Of Cinemas

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Number Of Cinemas re opened after a closure due to pandemic

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- Definition

Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Amount of short-term and long-term debt and lease obligation.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Impact of COVID-19 Pandemic And Liquidity (Narrative) (Details) $ in Millions				3 Months Ended	6 Months Ended	9 Months Ended		12 Months Ended
	Aug. 30, 2021 NZD ($)	May 07, 2021 NZD ($)	Mar. 06, 2020 USD ($)	Sep. 30, 2021 USD ($) item	Jun. 30, 2021 USD ($)	Sep. 30, 2021 USD ($) item	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Impact Of Covid [Line Items]
Net increase (decrease) in cash and cash equivalents					$ 179,100,000	$ 64,061,000	$ 15,640,000
Debt and Capital Lease Obligations				$ 282,600,000		$ 282,600,000		$ 242,600,000
Number of cinemas re-opened \| item						58
Number of cinemas \| item				62		62
Contractual Facility						$ 269,953,000		300,449,000
Impairment of long-lived assets								217,000
Goodwill, Impairment Loss				$ 0		0
Proceeds from sale of assets						145,165,000
Repayment of long-term borrowings						$ 79,357,000	$ 28,910,000
Shadow View Land And Farming, LLC [Member]
Impact Of Covid [Line Items]
Ownership percentage by noncontrolling interest				50.00%		50.00%
Bank Of America Credit Facility [Member]
Impact Of Covid [Line Items]
Contractual Facility			$ 55,000,000.0			$ 55,000,000		55,000,000
Westpac Bank Corporate Credit Facility [Member]
Impact Of Covid [Line Items]
Contractual Facility	$ 13.8	$ 16.0				$ 9,548,000		$ 23,021,000
Repayment of long-term borrowings	$ 2.2	$ 16.0