Business Segment and Geographic Area Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Business Segment And Geographic Area Information [Line Items]
Other Revenue, Net	$ 482,683	$ 538,527
United States [Member]
Business Segment And Geographic Area Information [Line Items]
Other Revenue, Net	311,127	365,315
Latin America [Member]
Business Segment And Geographic Area Information [Line Items]
Other Revenue, Net	66,126	56,694
Canada [Member]
Business Segment And Geographic Area Information [Line Items]
Other Revenue, Net	48,394	50,824
Australia and New Zealand [Member]
Business Segment And Geographic Area Information [Line Items]
Other Revenue, Net	38,698	48,172
Europe [Member]
Business Segment And Geographic Area Information [Line Items]
Other Revenue, Net	$ 18,338	$ 17,522