Derivatives Instruments Narrative (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Jan. 28, 2011 Predecessor	Jan. 01, 2011 Predecessor	Jan. 28, 2011 Predecessor Interest Expense	Jan. 01, 2011 Predecessor Interest Expense	Sep. 17, 2009 Tranche 1 Sub-Facility	Jan. 31, 2011 Designated hedges: Healthcare Line	Jan. 01, 2011 Designated hedges: Accounts payable and accrued liabilities Healthcare Line
Derivative [Line Items]
Fair value of derivative							$ 0.5
Termination and settlement of derivatives						0.5
Percentage of term loan debt					92.00%
Gain (loss) recognized in OCI	(0.1)	0.1
Loss reclassified from AOCI into income			$ (0.2)	$ (2.2)