Employee Retirement And Profit Sharing Plans (Narrative) (Details) (USD $)	12 Months Ended		12 Months Ended		1 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Defined Contribution Plans [Member] Minimum [Member]	Dec. 31, 2011 Defined Contribution Plans [Member] Maximum [Member]	Jul. 31, 2009 Master Trust [Member]	Dec. 31, 2011 Master Trust [Member]	Dec. 31, 2011 Employee Retirement And Profit Sharing Plans [Member]		Dec. 31, 2010 Employee Retirement And Profit Sharing Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Minimum requisite service period, years	1
Unrecognized transition obligation, before tax							$ 112,000		$ 225,000
Unrecognized transition obligation, net of tax							69,000		138,000
Unrecognized prior service costs, before tax							5,200,000		5,600,000
Unrecognized prior service costs, net of tax							3,200,000		3,500,000
Unrecognized actuarial losses, before tax							(152,000,000)		(124,100,000)
Unrecognized actuarial losses, net of tax							(93,500,000)		(76,000,000)
Transition obligation expected to be recognized next fiscal year							112,000
Transition obligation expected to be recognized next fiscal year, net of tax							69,000
Prior service costs expected to be recognized next fiscal year							776,000
Prior service costs expected to be recognized next fiscal year, net of tax							477,000
Actuarial losses expected to be recognized next fiscal year							11,700,000
Actuarial losses expected to be recognized next fiscal year, net of tax							7,200,000
Underfunded status of the plans							(98,753,000)		(75,709,000)
Current accrued pension liability							800,000
Employer contribution in remainder of fiscal year 2012							22,100,000
Accumulated benefit obligation	319,200,000	295,000,000
Frozen defined benefit plan obligations	90.00%
Weighted average discount rate							4.50%	[1]	5.28%	[1]
Targets investment in equity securities, percentage					59.00%
Target investment in fixed income securities, percentage					37.00%
Target investment in cash equivalents, percentage					3.00%
Target investment in other investments, percentage					1.00%
Investment in equity securities, percentage						59.00%
Investment in fixed income securities, percentage						38.00%
Investment in cash equivalents, percentage						2.00%
Investment in other investments, percentage						1.00%
Plan participants' contributions, allowed percentage of participants' annual compensation			1.00%	20.00%
Employer contributions per pay period for certain union hourly employees			$ 24	$ 91

[1] Assumptions in this table represent the assumptions utilized for our domestic pension plans as they represented more than 95% of our total benefit obligation as of December 31, 2011 and 2010.