INCOME TAXES (Details) $ in Millions	3 Months Ended
May 31, 2018 USD ($)
Income Tax Disclosure [Abstract]
Tax Cuts and Jobs Act, Income tax expense	$ 6.6

Tax Cuts and Jobs Act of 2017 incomplete accounting provisional income tax expense (benefit).

No definition available.

Name:	camp_TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit
Namespace Prefix:	camp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration