Segment Information (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Segment Reporting Information
Total Revenues	$ 762,889	$ 724,783	$ 1,513,181	$ 1,450,363
Depreciation and Amortization	79,778	75,499	160,857	151,113
Depreciation	72,598	69,214	146,725	138,509
Amortization	7,180	6,285	14,131	12,603
Adjusted OIBDA	226,938	233,327	442,620	448,033
Total Assets	6,410,699	6,653,588	6,410,699	6,653,588	6,409,733
Expenditures for Segment Assets	95,690	60,365	185,645	148,300
Capital Expenditures	47,039	52,636	99,396	131,067
Cash Paid for Acquisitions, Net of Cash acquired	40,467	4,682	75,172	11,764
Additions to Customer Relationship and Acquisition Costs	8,184	3,047	11,077	5,469
Reconciliation of Adjusted OIBDA to Income before Income Taxes on a Consolidated Basis
Adjusted OIBDA	226,938	233,327	442,620	448,033
Less: Depreciation and Amortization	79,778	75,499	160,857	151,113
(Gain) Loss on disposal/writedown of property, plant and equipment, net	(211)	(139)	512	(1,156)
Interest Expense (Income), Net	49,011	52,617	97,998	105,533
Other Expense (Income), Net	2,657	4,148	(6,296)	12,908
Income (Loss) from Continuing Operations Before Provision (Benefit) for Income Taxes	95,703	101,202	189,549	179,635
North American Physical Business
Segment Reporting Information
Total Revenues	557,513	551,749	1,112,811	1,099,795
Depreciation and Amortization	45,629	45,782	91,045	91,362
Depreciation	42,577	42,918	85,030	85,636
Amortization	3,052	2,864	6,015	5,726
Adjusted OIBDA	242,123	246,503	470,098	471,908
Total Assets	4,370,794	4,450,474	4,370,794	4,450,474
Expenditures for Segment Assets	32,813	30,634	68,863	67,274
Capital Expenditures	25,662	28,035	54,447	61,163
Cash Paid for Acquisitions, Net of Cash acquired	407		5,436	1,970
Additions to Customer Relationship and Acquisition Costs	6,744	2,599	8,980	4,141
Reconciliation of Adjusted OIBDA to Income before Income Taxes on a Consolidated Basis
Adjusted OIBDA	242,123	246,503	470,098	471,908
Less: Depreciation and Amortization	45,629	45,782	91,045	91,362
International Physical Business
Segment Reporting Information
Total Revenues	205,376	173,034	400,370	350,568
Depreciation and Amortization	25,975	20,463	52,312	41,264
Depreciation	21,883	17,094	44,272	34,495
Amortization	4,092	3,369	8,040	6,769
Adjusted OIBDA	38,802	30,753	76,063	65,000
Total Assets	1,875,976	1,541,148	1,875,976	1,541,148
Expenditures for Segment Assets	59,861	23,112	107,734	63,674
Capital Expenditures	18,361	17,982	35,901	52,552
Cash Paid for Acquisitions, Net of Cash acquired	40,060	4,682	69,736	9,794
Additions to Customer Relationship and Acquisition Costs	1,440	448	2,097	1,328
Reconciliation of Adjusted OIBDA to Income before Income Taxes on a Consolidated Basis
Adjusted OIBDA	38,802	30,753	76,063	65,000
Less: Depreciation and Amortization	25,975	20,463	52,312	41,264
Corporate
Segment Reporting Information
Depreciation and Amortization	8,174	9,254	17,500	18,487
Depreciation	8,138	9,202	17,424	18,379
Amortization	36	52	76	108
Adjusted OIBDA	(53,987)	(43,929)	(103,541)	(88,875)
Total Assets	163,929	661,966	163,929	661,966
Expenditures for Segment Assets	3,016	6,619	9,048	17,352
Capital Expenditures	3,016	6,619	9,048	17,352
Reconciliation of Adjusted OIBDA to Income before Income Taxes on a Consolidated Basis
Adjusted OIBDA	(53,987)	(43,929)	(103,541)	(88,875)
Less: Depreciation and Amortization	$ 8,174	$ 9,254	$ 17,500	$ 18,487