Business Combination Business Combination (Schedule of ecoATM Purchase Price Allocation) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Jul. 23, 2013 ecoATM [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			$ 18,846
Accounts receivable			18
Prepaid expenses and other current assets			4,450
Current deferred income taxes			6,476
Property and equipment			23,207
Intangible assets			41,400
Goodwill	559,307	295,094	264,213
Other long-term assets			131
Total assets acquired			358,741
Accounts payable			(3,755)
Other accrued liabilities			(1,605)
Long term deferred tax liabilities			(12,742)
Total consideration transferred and fair value of previously held equity interest			$ 340,639