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Leases - Schedule of Future Minimum Sublease Rental Income under Operating Leases for Continuing and Discontinued Operations (Detail) $ in Thousands	Dec. 31, 2016 USD ($)
Property Subject to or Available for Operating Lease [Line Items]
Operating Subleases, 2017	$ 8,683
Operating Subleases, 2018	4,279
Operating Subleases, 2019	2,417
Operating Subleases, 2020	736
Operating Subleases, 2021 and thereafter	229
Operating Subleases, Total	16,344
Continuing Operation [Member]
Property Subject to or Available for Operating Lease [Line Items]
Operating Subleases, 2017	3,585
Operating Subleases, 2018	3,396
Operating Subleases, 2019	2,412
Operating Subleases, 2020	736
Operating Subleases, 2021 and thereafter	229
Operating Subleases, Total	10,358
Discontinued Operations [Member]
Property Subject to or Available for Operating Lease [Line Items]
Operating Subleases, 2017	5,098
Operating Subleases, 2018	883
Operating Subleases, 2019	5
Operating Subleases, Total	$ 5,986

X

- Definition

Amount of minimum sublease rentals to be received by the seller-lessee for all operating leases.

+ References

No definition available.

+ Details

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X

- Definition

Amount of minimum sublease rentals to be received by the seller-lessee after the fifth fiscal year.

+ References

No definition available.

+ Details

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X

- Definition

Amount of minimum sublease rentals to be received by the seller-lessee in the next four fiscal years.

+ References

No definition available.

+ Details

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X

- Definition

Amount of minimum sublease rentals to be received by the seller-lessee in the next fiscal year.

+ References

No definition available.

+ Details

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X

- Definition

Amount of minimum sublease rentals to be received by the seller-lessee in the next three fiscal years.

+ References

No definition available.

+ Details

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X

- Definition

Amount of minimum sublease rentals to be received by the seller-lessee in the next two fiscal years.

+ References

No definition available.

+ Details

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Namespace Prefix:	ceco_
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X

- 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.

+ References

No definition available.

+ Details

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X

- Details

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