Consolidated Statements Of Cash Flows (Parenthetical) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Condensed Consolidated Statements Of Cash Flows [Abstract]
Issuance of debt, original issue discount	$ 3.4	$ 2.3

Represents the initial purchasers' discount related to the debt instrument.

No definition available.

Name:	rtsx_DebtInstrumentInitialPurchasersDiscount
Namespace Prefix:	rtsx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration