Segment Information (Tables)

3 Months Ended

9 Months Ended

Sep. 30, 2011

Sep. 30, 2011

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following table sets forth our North American & European Operations and Australian Operations for the three months ended September 30, 2011 and 2010 (dollars in thousands):

	Three Months Ended September 30, 2011									Three Months Ended September 30, 2010
	North American & European Operations			Australian Operations			Total Operations			North American & European Operations			Australian Operations			Total Operations
Revenues	$	145,807		$	71,403		$	217,210		$	124,647		$	31,845		$	156,492
Income from operations	37,963			18,060			56,023			33,604			4,908			38,512
Depreciation and amortization	11,932			4,691			16,623			10,861			1,645			12,506
Interest expense	(5,988		)	(4,585		)	(10,573		)	(5,472		)	(2		)	(5,474		)
Interest income	708			145			853			116			587			703
Provision for income taxes	8,196			4,091			12,287			10,459			1,650			12,109
Expenditures for additions to property & equipment, net of grants from outside parties	12,054			25,194			37,248			17,408			4,423			21,831

The following table sets forth our North American & European Operations and Australian Operations for the nine months ended September 30, 2011 and 2010 (dollars in thousands):

	Nine Months Ended September 30, 2011									Nine Months Ended September 30, 2010
	North American & European Operations			Australian Operations			Total Operations			North American & European Operations			Australian Operations			Total Operations
Revenues	$	417,449		$	201,261		$	618,710		$	368,887		$	91,637		$	460,524
Income from operations	98,635			47,756			146,391			88,768			17,723			106,491
Depreciation and amortization	34,843			13,938			48,781			32,684			4,722			37,406
Interest expense	(17,879		)	(12,886		)	(30,765		)	(16,245		)	(2		)	(16,247		)
Interest income	2,215			271			2,486			227			1,370			1,597
Provision for income taxes	21,753			10,439			32,192			28,151			5,666			33,817
Expenditures for additions to property & equipment, net of grants from outside parties	33,865			53,748			87,613			23,285			9,159			32,444

Property and Equipment by Segment [Table Text Block]

The following table sets forth the property and equipment recorded in the consolidated balance sheets as of September 30, 2011 and December 31, 2010 (dollars in thousands):

	September 30, 2011			December 31, 2010
	North American & European Operations	Australian Operations	Total Operations	North American & European Operations	Australian Operations	Total Operations
Property & equipment, net	$1,099,702	$461,865	$1,561,567	$1,000,350	$443,827	$1,444,177