Business Interruption and Insurance Recovery Narrative (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended				12 Months Ended
	Jan. 28, 2011 Operating Income (Loss) Predecessor	Jan. 01, 2011 Operating Income (Loss) Predecessor	Jan. 28, 2011 Selling, general and administrative expenses Predecessor	Jan. 01, 2011 Selling, general and administrative expenses Predecessor	Jan. 28, 2011 Cost of Goods Sold Predecessor	Jan. 01, 2011 Cost of Goods Sold Predecessor	Jan. 01, 2011 Special Charges Net Predecessor	Dec. 31, 2011 Primary Policy	Mar. 04, 2011 Primary Policy	Dec. 31, 2011 Other Insurance Policies
Business Interruption Loss [Line Items]
Insurance claim									$ 6.0
Insurance deductible									1.0
Proceeds from insurance settlements								5.0		0.7
Insurance recoveries	$ 1.0	$ 2.5	$ 0.3	$ 0.2	$ 0.7	$ 0.5	$ 1.8