Note 13 - Segment and Geographical Information (Details) - Long-Lived Assets by Geographic Area (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
Note 13 - Segment and Geographical Information (Details) - Long-Lived Assets by Geographic Area [Line Items]
Long-lived Assets by Country	$ 519,855	[1]	$ 566,181	[1]
United States [Member]
Note 13 - Segment and Geographical Information (Details) - Long-Lived Assets by Geographic Area [Line Items]
Long-lived Assets by Country	321,393	[1]	337,831	[1]
Canada [Member]
Note 13 - Segment and Geographical Information (Details) - Long-Lived Assets by Geographic Area [Line Items]
Long-lived Assets by Country	28,599	[1]	34,919	[1]
United Kingdom [Member]
Note 13 - Segment and Geographical Information (Details) - Long-Lived Assets by Geographic Area [Line Items]
Long-lived Assets by Country	91,127	[1]	99,140	[1]
Australia [Member]
Note 13 - Segment and Geographical Information (Details) - Long-Lived Assets by Geographic Area [Line Items]
Long-lived Assets by Country	$ 78,736	[1]	$ 94,291	[1]

[1] Long-lived assets are noncurrent assets excluding deferred tax assets and deferred financing costs.