Debt (Tables)

9 Months Ended

Sep. 24, 2011

Borrowings And Availability Under Credit Agreements

	U.S. Credit Agreement			Canadian Credit Agreement		Australia/ New Zealand Credit Agreement		Total
	(millions of U.S. dollars)
Maximum aggregate available borrowing amount	$	511.7		$	41.3	$	56.9	$	609.9
Less: Stand-by letters of credit		(52.0	)		—		—		(52.0	)
Amount available for borrowing	$	459.7		$	41.3	$	56.9	$	557.9

North American Credit Agreement [Member]

Borrowings And Availability Under Credit Agreements

	North American Credit Agreement
	(millions of U.S. dollars)
Maximum aggregate available borrowing amount	$	618.6
Less: Stand-by letters of credit		(52.0	)
Amount available for borrowing	$	566.6