Debt (Details Textual) (USD $) In Thousands, unless otherwise specified				9 Months Ended
	Oct. 01, 2011 Brazilian subsidiaries [Member]	Jan. 01, 2011 Brazilian subsidiaries [Member]	Oct. 02, 2010 Brazilian subsidiaries [Member]	Oct. 01, 2011 CKJEA Notes and other [Member]	Oct. 01, 2011 2008 Credit Agreements [Member]	Oct. 01, 2011 2008 Canadian Credit Agreement [Member]
Line of Credit Facility [Line Items]
2008 Credit Agreement Interest rate option				Euro LIBOR plus 1.0%	(i) 3.75%, based on a Base Rate plus 0.50% (ii) 1.87%, based on LIBOR plus 1.50%	(i) 3.50%, based on the prime rate announced by Bank of America (acting through its Canada branch) plus 0.50% (ii) 2.67%, based on the BA Rate, in each case, on a per annum basis
Interest rate based on base rate					3.75%
Interest Rate in Excess of Base Rate					0.50%
Interest Rate Based on Libor Rate					1.87%
Interest rate in excess of LIBOR rate					1.50%
Interest rate based on prime rate						3.50%
Interest rate in excess of prime rate						0.50%
Interest rate based on BA rate						2.67%
Interest rate on revolving notes payable in addition to Euro LIBOR				1.00%
Revolving credit loans					$ 0	$ 0
Letters of credit, amount outstanding	4,328	357	0		29,074	1,970
Available line of credit					$ 189,662	$ 20,269