Fair Value Measurements (Narrative)(Details)	9 Months Ended
Sep. 30, 2013
Fair Value Measurements [Abstract]
Term Of Loan	90 days
Cash And Cash Equivalent Maturity Period	90 days

Maximum number of days in which the cash or cash equivalent instrument is scheduled to mature.

No definition available.

Name:	csh_CashAndCashEquivalentMaturityPeriod
Namespace Prefix:	csh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration