Long-Term Debt (Schedule Of Senior Floating Rate Notes) (Details) (North America [Member], USD $)	1 Months Ended	6 Months Ended	12 Months Ended		6 Months Ended		12 Months Ended				1 Months Ended
	Mar. 21, 2007 Senior Unsecured Notes [Member]	Jun. 28, 2013 7.125% Senior Notes Due 2017 [Member]	Dec. 31, 2011 7.125% Senior Notes Due 2017 [Member]	Mar. 21, 2007 7.125% Senior Notes Due 2017 [Member]	Jun. 28, 2013 Senior Floating Rate Notes Due 2015 [Member]		Dec. 31, 2011 Senior Floating Rate Notes Due 2015 [Member]	Dec. 31, 2012 Senior Floating Rate Notes Due 2015 [Member]		Mar. 21, 2007 Senior Floating Rate Notes Due 2015 [Member]	Mar. 21, 2007 9.5% Senior Notes [Member]
Debt Instrument [Line Items]
Debt principal amount	$ 325,000,000	$ 200,000,000		$ 200,000,000						$ 125,000,000
Face value					125,000,000	[1]		125,000,000	[1]
Fair value					122,800,000	[1]		122,700,000	[1]
Interest rate				7.125%	2.60%	[1]		2.70%	[1]		9.50%
Debt instrument, payment terms		Semi-annually: Apr 1 & Oct 1	Semi-annually: Apr 1 & Oct 1		3-month LIBOR rate plus 2.375% Quarterly: Jan 1, Apr 1, Jul 1 & Oct 1		3-month LIBOR rate plus 2.375% Quarterly: Jan 1, Apr 1, Jul 1 & Oct 1
Description of variable rate basis					LIBOR		LIBOR
Maturity date		April 2017	April 2017		July 2015		July 2015
Basis spread on variable rate					2.375%			2.375%
Notes originally issued amount	325,000,000
Payments of issuance costs and expenses of related to notes	7,900,000
Repayments of senior debt											285,000,000
Payment for accrued interest related to senior notes											9,300,000
Payment for tender fees and inducement premium related to senior notes											20,500,000
Net cash proceeds from notes used for general corporate purposes	$ 2,300,000

[1] Jointly and severally guaranteed by the Company's wholly-owned U.S. subsidiaries that are borrowers or guarantors under the Company's Revolving Credit Facility.