Debt (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jan. 02, 2011
Debt [Abstract]
7.25% unsecured notes due February 1, 2019	$ 397,065	$ 396,650
Commercial Paper Borrowings	109,671	0
AUS $50 million borrowing	51,012	0
Other indebtedness	7,464	3,000
Total	565,212	399,650
Less: current portion	(112,983)	(3,000)
Total long-term debt	$ 452,229	$ 396,650