Legal Proceedings (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2014
Legal Proceedings
Increase in pre-tax charges recorded in connection with legal matters compared to the same period in 2013	$ 10.8

Represents the increase in pre-tax charges recorded in connection with legal matters compared to the prior year comparative period.

No definition available.

Name:	rscr_IncreaseInPreTaxLegalExpenseComparedToPriorYearComparativePeriod
Namespace Prefix:	rscr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration