Segment Information (Tables)

3 Months Ended

Mar. 31, 2012

Mar. 31, 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 March 31, 2012 and 2011 (dollars in thousands):

	Three Months Ended March 31, 2012									Three Months Ended March 31, 2011
	North American & European Operations			Australian Operations			Total Operations			North American & European Operations			Australian Operations			Total Operations
Revenues	$	144,073		$	63,363		$	207,436		$	132,307		$	59,604		$	191,911
Income from operations	31,313			10,001			41,314			26,935			12,268			39,203
Depreciation and amortization	12,318			5,315			17,633			11,346			4,515			15,861
Interest expense	(4,765		)	(3,851		)	(8,616		)	(5,956		)	(3,983		)	(9,939		)
Interest income	805			62			867			716			59			775
Provision for income taxes	10,539			1,766			12,305			6,072			2,413			8,485
Expenditures for additions to property & equipment, net of grants from outside parties	12,804			29,077			41,881			7,069			1,142			8,211

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 March 31, 2012 and December 31, 2011 (dollars in thousands):

	March 31, 2012			December 31, 2011
	North American & European Operations	Australian Operations	Total Operations	North American & European Operations	Australian Operations	Total Operations
Property & equipment, net	$1,128,919	$551,115	$1,680,034	$1,120,121	$523,468	$1,643,589