Note 13 - Segment and Geographical Information (Detail) - Long-Lived Assets by Geographic Area (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Long-lived Assets by Country	$ 566,181	$ 480,154
United States [Member]
Long-lived Assets by Country	337,831	340,955
Canada [Member]
Long-lived Assets by Country	34,919	42,377
United Kingdom [Member]
Long-lived Assets by Country	99,140	96,822
Australia [Member]
Long-lived Assets by Country	$ 94,291

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph b(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_NoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant