Note 7 - Segment Information (Detail) - Information about our segments (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Revenues	$ 212,014	$ 198,533
Income	15,774	17,728
Spa Operations [Member]
Revenues	130,403	127,700
Income	11,862	10,876
Products [Member]
Revenues	42,382	35,536
Income	3,766	1,821
Schools [Member]
Revenues	19,860	21,130
Income	1,122	2,259
Laser Hair Removal [Member]
Revenues	31,692	19,973
Income	3,714	2,613
Other Segment [Member]
Revenues	(12,323)	(5,806)
Income	$ (4,690)	$ 159

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration