Note 7 - Segment Information (Details) - Segment Reporting Information (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Revenues	$ 219,677	$ 214,831	$ 645,676	$ 634,498
Income (loss) from Operations:
Income from operations	14,773	14,257	34,667	44,970
Spa Operations [Member]
Revenues:
Revenues	110,613	126,489	342,377	378,157
Income (loss) from Operations:
Income from operations	10,158	11,428	28,433	32,507
Products [Member]
Revenues:
Revenues	62,547	46,349	158,433	133,938
Income (loss) from Operations:
Income from operations	7,692	6,254	13,887	14,094
Schools [Member]
Revenues:
Revenues	19,906	20,204	58,620	59,384
Income (loss) from Operations:
Income from operations	(44)	763	(395)	2,541
Laser Hair Removal [Member]
Revenues:
Revenues	36,986	31,564	114,874	96,323
Income (loss) from Operations:
Income from operations	(2,476)	(4,274)	(5,129)	233
Other Segments [Member]
Revenues:
Revenues	(10,375)	(9,775)	(28,628)	(33,304)
Income (loss) from Operations:
Income from operations	$ (557)	$ 86	$ (2,129)	$ (4,405)