Income Taxes (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended						1 Months Ended	12 Months Ended
	Sep. 26, 2010	Dec. 31, 2009	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 No Expiration Date [Member]	Dec. 31, 2011 After 2011 But Before The End Of 2016 [Member]	Dec. 31, 2011 After 2016 [Member]	Dec. 31, 2011 Cargo And Container Businesses [Member]	Dec. 31, 2011 Minimum [Member]	Dec. 31, 2011 Maximum [Member]
Income Tax Contingency [Line Items]
Gain on the sale of business			$ 270,630,000	$ 114,702,000	$ 272,307,000				$ 217,800,000
Gain on sale of business along with related taxes					102,900,000				91,000,000
Cumulative unremitted earnings			251,500,000
Realized net benefit as result of reducing our reserves with respect to uncertain tax positions			3,900,000	3,500,000	6,900,000
Adjustment associated with tax returns filed and tax audit conclusions	5,700,000	2,600,000
Decrease of deferred tax liabilities and taxes payable		2,600,000
Tax effect, carry forwards			70,400,000			8,300,000	300,000	61,800,000
Percentage of change in ownership			100.00%
Deferred tax assets, valuation allowance			66,305,000	49,522,000
Unrecognized tax benefits that would impact effective tax rate			40,800,000
Unrecognized tax benefits, interest (benefit) expense			(100,000)	(2,500,000)	(600,000)
Unrecognized tax benefits, penalties			300,000	1,800,000	400,000
Unrecognized tax benefits, interest (benefit) expense accrued			11,800,000	11,900,000
Unrecognized tax benefits, penalties accrued			9,200,000	8,500,000
Unrecognized tax benefits change within next twelve months due to potential for resolution of foreign and U.S. examinations			$ (411,000)	$ (3,026,000)	$ 1,151,000					$ 0	$ 9,200,000