Interest Expense (Income) (Schedule Of Components Of Net Interest Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Interest Expense (Income) [Abstract]
Interest expense	$ 44,982	$ 45,633
Interest income	(3,310)	(3,067)
Interest expense, net	$ 41,672	$ 42,566