Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011

Fair Value Measurements [Abstract]

Assets And Liabilities Recorded At Fair Value On Recurring Basis

	December 31, 2011
(in millions of U.S. dollars)	Level 1		Level 2		Level 3		Fair Value Measurements
Assets
Derivatives	$	—	$	0.2	$	—	$	0.2
Assets held for sale		—		1.2		—		1.2
Total Assets	$	—	$	1.4	$	—	$	1.4

Carrying Value And Estimated Fair Values Of Outstanding Debt

	December 31, 2011				January 1, 2011
(in millions of U.S. dollars)	Carrying Value		Fair Value		Carrying Value		Fair Value
8.375% senior notes due in 2017 1		215.0		231.4		215.0		232.7
8.125% senior notes due in 2018 1		375.0		404.5		375.0		404.1
ABL facility		—		—		7.9		7.9
Total	$	590.0	$	635.9	$	597.9	$	644.7

¹  The fair values are based on the trading levels and bid/offer prices observed by a market participant.

Schedule Of Fair Value Of Contingent Consideration Payable

	For the Years Ended
(in millions of U.S. dollars)	December 31, 2011			January 1, 2011
Beginning balance	$	32.2		$	—
Acquisition date fair value		—			52.5
Payment		(34.3	)		—
Accretion to fair value		1.2			—
Adjustments to fair value		0.9			(20.3	)
Ending balance	$	—		$	32.2