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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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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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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Amount of loss from impairment of right-of-use asset from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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No definition available.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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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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IMPACT OF THE INVASION OF UKRAINE (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Mar. 04, 2022
Unusual or Infrequent Item, or Both [Line Items]
Property and equipment, net	$ 267,067,000		$ 273,348,000
Operating lease, right-of-use asset	146,815,000		148,780,000
Commitments related to operating lease agreements that have not yet commenced	14,200,000
Impairment charges	88,000	$ 20,401,000
Bad debt expense	182,000	8,675,000
Humanitarian Commitment
Unusual or Infrequent Item, or Both [Line Items]
Commitments related to operating lease agreements that have not yet commenced	49,100,000
Nonoperating expense	6,100,000	25,700,000
Humanitarian Commitment \| Cost of revenues (exclusive of depreciation and amortization)
Unusual or Infrequent Item, or Both [Line Items]
Nonoperating expense	2,500,000	19,200,000
Humanitarian Commitment \| Selling, general and administrative expenses
Unusual or Infrequent Item, or Both [Line Items]
Nonoperating expense	3,600,000	6,500,000
Ukraine
Unusual or Infrequent Item, or Both [Line Items]
Property and equipment, net	69,290,000		$ 70,183,000
Operating lease, right-of-use asset	11,000,000
Ukraine \| Cost of revenues (exclusive of depreciation and amortization)
Unusual or Infrequent Item, or Both [Line Items]
Standby resources expense	7,400,000	2,600,000
Ukraine \| Selling, general and administrative expenses
Unusual or Infrequent Item, or Both [Line Items]
Standby resources expense	200,000	18,700,000
Ukraine \| Other income/(expense)
Unusual or Infrequent Item, or Both [Line Items]
Impairment charges		1,300,000
Ukraine \| Humanitarian Commitment
Unusual or Infrequent Item, or Both [Line Items]
Commitments related to operating lease agreements that have not yet commenced				$ 100,000,000
Russia
Unusual or Infrequent Item, or Both [Line Items]
Impairment of property, plant and equipment		15,100,000
Operating lease, impairment loss		3,800,000
Goodwill, impairment loss		700,000
Bad debt expense	(400,000)	$ 8,400,000
Building \| Ukraine
Unusual or Infrequent Item, or Both [Line Items]
Property and equipment, net	51,500,000
Computer Equipment \| Ukraine
Unusual or Infrequent Item, or Both [Line Items]
Property and equipment, net	10,500,000
Furniture and Fixtures \| Ukraine
Unusual or Infrequent Item, or Both [Line Items]
Property and equipment, net	5,600,000
Leasehold Improvements \| Ukraine
Unusual or Infrequent Item, or Both [Line Items]
Property and equipment, net	$ 1,700,000