SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012 item	Dec. 31, 2011	Dec. 31, 2010
Segment information
Principal lines of business (in segments)													3
Revenues from external customers	$ 122,737	$ 139,613	$ 146,334	$ 110,058	$ 119,142	$ 128,605	$ 129,090	$ 104,567	$ 109,013	$ 124,640	$ 131,082	$ 105,934	$ 518,742	$ 481,404	$ 470,669
Gain (loss) on sale of assets													1,171	632	1
Interest income													853	550	499
Interest expense													43,799	45,221	39,231
Depreciation and amortization													14,457	16,512	18,536
Segment profit (loss)													48,036	45,311	27,823
Segment assets	230,361				222,963				222,018				230,361	222,963	222,018
Expenditures for segment assets													10,512	4,900	4,543
Membership Services
Segment information
Revenues from external customers													153,788	147,806	146,274
Gain (loss) on sale of assets													517
Interest income													2,592	2,874	3,131
Interest expense													60
Depreciation and amortization													1,004	1,287	2,227
Segment profit (loss)													59,553	58,388	53,866
Segment assets	294,770				268,944				252,080				294,770	268,944	252,080
Expenditures for segment assets													1,839	1,357	682
Retail
Segment information
Revenues from external customers													325,774	282,366	270,551
Gain (loss) on sale of assets													(132)	(38)	(3)
Interest income														1
Interest expense													2,475	2,220	2,252
Depreciation and amortization													7,083	8,199	9,275
Segment profit (loss)													(262)	2,170	2,922
Segment assets	88,919				92,117				90,753				88,919	92,117	90,753
Expenditures for segment assets													8,136	2,280	2,155
MS Media
Segment information
Number of consumer outdoor recreation shows operated													26
Revenues from external customers													39,180	51,232	53,844
Gain (loss) on sale of assets													784	668	4
Interest income													6	5
Interest expense														1	(5)
Depreciation and amortization													3,049	3,724	3,908
Segment profit (loss)													7,311	4,799	5,009
Segment assets	14,370				16,695				20,904				14,370	16,695	20,904
Expenditures for segment assets													537	476	1,031
MS Media | Maximum
Segment information
Segment revenue (as a percent)													8.00%
Segment profit (as a percent)													11.00%
Consolidated
Segment information
Revenues from external customers													518,742	481,404	470,669
Gain (loss) on sale of assets													1,169	630	1
Interest income													2,598	2,880	3,131
Interest expense													2,535	2,221	2,247
Depreciation and amortization													11,136	13,210	15,410
Segment profit (loss)													66,602	65,357	61,797
Segment assets	398,059				377,756				363,737				398,059	377,756	363,737
Expenditures for segment assets													$ 10,512	$ 4,113	$ 3,868