Fair Value Measurements (Tables)

9 Months Ended

Sep. 28, 2013

Fair Value Disclosures [Abstract]

Assets and Liabilities Recorded at Fair Value on Recurring Basis

We have certain assets and liabilities that are required to be recorded at fair value on a recurring basis in accordance with U.S. GAAP.

	September 28, 2013
(in millions of U.S. dollars)	Level 1		Level 2		Level 3		Fair Value Measurements
Assets
Money market	$	10.0	$	—	$	—	$	10.0
Total Assets	$	10.0	$	—	$	—	$	10.0
	December 29, 2012
(in millions of U.S. dollars)	Level 1		Level 2		Level 3		Fair Value Measurements
Assets
Derivatives	$	—	$	0.1	$	—	$	0.1
Total Assets	$	—	$	0.1	$	—	$	0.1

Carrying Value and Estimated Fair Values of Outstanding Debt

The carrying values and estimated fair values of our significant outstanding debt as of September 28, 2013 and December 29, 2012 were as follows:

	September 28, 2013				December 29, 2012
(in millions of U.S. dollars)	Carrying Value		Fair Value		Carrying Value		Fair Value
8.375% senior notes due in 20171	$	215.0		225.2	$	215.0		234.4
8.125% senior notes due in 20181		375.0		405.9		375.0		414.8
Total	$	590.0	$	631.1	$	590.0	$	649.2