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

No definition available.

Name:	ceco_FutureMinimumSubleaseRentalsUnderOperatingLeases
Namespace Prefix:	ceco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

No definition available.

Name:	ceco_FutureMinimumSubleaseRentalsUnderOperatingLeasesInFiveYearsAndThereafter
Namespace Prefix:	ceco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

No definition available.

Name:	ceco_FutureMinimumSubleaseRentalsUnderOperatingLeasesWithinFourYears
Namespace Prefix:	ceco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

No definition available.

Name:	ceco_FutureMinimumSubleaseRentalsUnderOperatingLeasesWithinOneYear
Namespace Prefix:	ceco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

No definition available.

Name:	ceco_FutureMinimumSubleaseRentalsUnderOperatingLeasesWithinThreeYears
Namespace Prefix:	ceco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

No definition available.

Name:	ceco_FutureMinimumSubleaseRentalsUnderOperatingLeasesWithinTwoYears
Namespace Prefix:	ceco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.