Onex Transaction (Details) (USD $) In Millions, except Share data, unless otherwise specified		1 Months Ended
Dec. 22, 2010	Nov. 30, 2010 Affiliate of Onex Partners III (Purchaser)	Nov. 30, 2010 Affiliates of Onex Corporation (the Onex Investors)
Onex Transaction
Number of common stock shares acquired by third party in tender offer		21,044,765
Percentage of ownership upon completion of stock tender offer			87.40%
Total purchase price	$ 452.4
Number of fully converted shares used as basis for calculating purchase price of common stock acquired by third party	34,100,000
Offer price per share (in dollars per shares)	$ 13.25

Represents the number of fully converted shares as the basis for calculating the purchase price of the common stock acquired by a third party.

No definition available.

Name:	rscr_CommonStockTenderOfferNumberOfOutstandingSharesFullyConverted
Namespace Prefix:	rscr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Represents the per share price in a stock tender offer by a third party.

No definition available.

Name:	rscr_CommonStockTenderOfferPricePerShare
Namespace Prefix:	rscr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Represents the purchase price of the common stock acquired by a third party in a tender offer.

No definition available.

Name:	rscr_CommonStockTenderOfferPurchasePrice
Namespace Prefix:	rscr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the number of shares of common stock acquired by a third party in a tender offer.

No definition available.

Name:	rscr_CommonStockTenderOfferSharesAcquiredByThirdParty
Namespace Prefix:	rscr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Percentage of the reporting entity's common stock beneficially owned by an investor after the stock transaction.

No definition available.

Name:	rscr_InvestorInReportingEntityPercentageOwnershipAfterTransaction
Namespace Prefix:	rscr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Name:	rscr_ScheduleOfSaleTransactionLineItems
Namespace Prefix:	rscr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration