Number Of Long-Lived Assets Marketed For Sale

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

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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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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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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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Significant Accounting Policies - Property and Equipment (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) uSHigherEducationCampus	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Impairment loss	$ 2.7
Depreciation and amortization	$ 59.1	$ 51.8	$ 49.5
Number of long-lived assets marketed for sale \| uSHigherEducationCampus	2
Gain on sale of asset	$ 2.7
Capella Education Company And Torrens University and Related Assets in Australia and New Zealand (ANZ) \| Computer Software And Content
Property, Plant and Equipment [Line Items]
Depreciation	$ 7.2	$ 6.9	$ 6.3
Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life of property and equipment	3 years
Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life of property and equipment	40 years