Restructuring Charges - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2017	Dec. 31, 2016
Restructuring Cost And Reserve [Line Items]
Accrual for severance and related charges	$ 5.5	$ 7.3
Long term amount	1.1	$ 1.4
Accrued retention bonuses	$ 1.2
Lease expiration teach out campuses	2023
Charges related to remaining obligations for continuing operations	$ 57.4
Minimum [Member]
Restructuring Cost And Reserve [Line Items]
Gross remaining lease obligations	15.0
Maximum [Member]
Restructuring Cost And Reserve [Line Items]
Gross remaining lease obligations	$ 20.0

The longest lease term expiration for all campuses that are scheduled to be taught out as of the reporting date.

No definition available.

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- Definition

The present value of the estimated charge related to remaining lease obligations for lease exits offset with an estimated amount for sublease income.

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No definition available.

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- Definition

For continuing operations and discontinuing operations under restructuring activities, the present value of remaining lease obligations recorded at the time a facility is exited.

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No definition available.

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- Definition

The amount of retention bonus accrued for as of the balance sheet date as part of restructuring actions that is due to paid within one year of the balance sheet date.

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No definition available.

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- Definition

The amount of severance related costs expected to be paid in greater than one year from the reporting date related to restructuring actions.

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No definition available.

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- Definition

The amount of severance related costs expected to be paid in the next fiscal year related to restructuring actions.

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No definition available.

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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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