Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2012			2011
Finished goods		$	46,711		$	45,061
Raw materials			4,582			7,587
		$	51,293		$	52,648

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Year Ended December 31,
	2012			2011
Intangible assets (various, principally trade names, leases, licenses and logos) with definite lives:
Gross carrying amount	$	13,509		$	13,509
Less accumulated amortization		(9,060	)		(7,653	)
Amortized intangible assets, net		4,449			5,856
Unamortized intangible assets with indefinite lives:
Trade names		71,549			71,549
Title IV rights		13,514			13,514
Intangible assets with indefinite lives		85,063			85,063
Total intangible assets, net	$	89,512		$	90,919

Schedule of Goodwill [Table Text Block]

	Maritime		Land-Based Spas		Product Distribution		Schools		Laser Hair Removal		Total
Balance at December 31, 2010	$	8,590	$	40,297	$	23,695	$	42,361	$	--	$	114,943
Acquired goodwill		2,114		--		--		16,098		195,076		213,288
Balance at December 31, 2011		10,704		40,297		23,695		58,459		195,076		328,231
Acquired goodwill		--		--		--		--		--		--
Balance at December 31, 2012	$	10,704	$	40,297	$	23,695	$	58,459	$	195,076	$	328,231

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Year Ended December 31,
	2012		2011		2010
Net income	$	53,102	$	50,935	$	44,323
Weighted average shares outstanding used in calculating basic earnings per share		14,878		15,013		14,832
Dilutive common share equivalents		174		204		237
Weighted average common and common equivalent shares used in calculating diluted earnings per share		15,052		15,217		15,069
Income per share:
Basic	$	3.57	$	3.39	$	2.99
Diluted	$	3.53	$	3.35	$	2.94
Options and restricted share units outstanding which are not included in the calculation of diluted earnings per share because their impact is anti-dilutive		34		77		108

Schedule of Credit Losses for Financing Receivables, Current [Table Text Block]

	2012			2011			2010
Balance at beginning of year	$	8,525		$	8,636		$	8,948
Provision		3,198			2,178			921
Write-offs		(810	)		(2,289	)		(1,233	)
Balance at end of year	$	10,913		$	8,525		$	8,636

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

Share Option Activity	Number of Options			Weighted-Average Exercise Price		Weighted- Average  Remaining Contractual Term (in years)		Aggregate Intrinsic Value (1)
Outstanding at January 1, 2012		131		$	34.00		3.7	$	1,494
Granted		--			--
Exercised		(22	)	$	25.70
Cancelled		--			--
Outstanding at December 31, 2012		109		$	35.71		2.9	$	1,371
Options exercisable at December 31, 2012		109		$	35.71		2.9	$	1,371

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

				Options Outstanding						Options Exercisable
Range of Exercisable Prices				Number Outstanding as of 12/31/12		Weighted Average Contractual Life		Weighted Average Exercise Price		Number Exercisable as of 12/31/12		Weighted Average Exercise Price
Low		High
$	14.19	$	14.19		5		0.9	$	14.19		5	$	14.19
$	20.00	$	24.95		3		1.5	$	21.00		3	$	21.00
$	25.00	$	29.95		15		1.9	$	27.24		15	$	27.24
$	30.00	$	34.99		6		2.5	$	34.14		6	$	34.14
$	35.00	$	39.95		55		3.0	$	37.49		55	$	37.49
$	40.00	$	42.97		25		3.9	$	42.97		25	$	42.97
$	14.19	$	42.97		109		2.9	$	35.71		109	$	35.71

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

Restricted Share Unit Activity	Number of Awards			Weighted- Average Grant Date Fair Value
Non-vested shares at January 1, 2010		571		$	27.42
Granted		341		$	41.86
Vested		(311	)	$	26.77
Cancelled		(11	)	$	38.64
Non-vested shares at January 1, 2011		590		$	38.81
Granted		263		$	43.57
Vested		(266	)	$	35.15
Cancelled		(10	)	$	41.09
Non-vested shares at January 1, 2012		577		$	42.63
Granted		223		$	46.10
Vested		(242	)	$	41.82
Cancelled		(148	)	$	43.94
Future vesting of non-vested shares estimated at December 31, 2012		410		$	44.52