Segment Information - Reconciliation of Income Statement Items from Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reportable segments reconciliations:
Total revenue	$ 251,671	$ 255,946	$ 317,035	$ 264,396	$ 223,155	$ 299,802	$ 256,391	$ 285,641	$ 1,089,048	$ 1,064,987	$ 953,347
Segment operating income (loss)	(231)	12,960	33,234	(4,151)	(7,317)	29,311	9,892	11,111	44,864	45,518	35,156
Interest income									658	305	550
Interest expense									(4,535)	(2,015)	(1,234)
Restructuring (charges) recoveries									(2,956)	(1,637)	(3,793)
Impairment charges	$ (96)	$ 0	$ 0	$ 0	$ 0	$ 0	$ (884)	$ 0	(96)	(884)	(3,049)
Income from continuing operations before income taxes									37,935	41,287	27,630
Travel & Recreation Group
Reportable segments reconciliations:
Impairment charges									(96)
Operating Segments
Reportable segments reconciliations:
Segment operating income (loss)									54,584	59,866	41,911
Operating Segments | Marketing & Events Group
Reportable segments reconciliations:
Total revenue									976,878	944,468	844,904
Segment operating income (loss)									26,774	31,739	20,092
Restructuring (charges) recoveries									(541)	278	409
Impairment charges											(658)
Operating Segments | Travel & Recreation Group
Reportable segments reconciliations:
Total revenue									112,170	120,519	108,443
Segment operating income (loss)									27,810	28,127	21,819
Restructuring (charges) recoveries									(200)	41	(809)
Impairment charges									(96)		(2,097)
Operating Segments | Marketing & Events International Segment
Reportable segments reconciliations:
Restructuring (charges) recoveries									(1,813)	(1,808)	(2,362)
Impairment charges										(884)	(294)
Intersegment Eliminations | Marketing & Events Group
Reportable segments reconciliations:
Total revenue									(16,638)	(16,016)	(13,264)
Corporate
Reportable segments reconciliations:
Segment operating income (loss)									(9,720)	(14,348)	(6,755)
Restructuring (charges) recoveries									(402)	(148)	(1,031)
U.S. Segment
Reportable segments reconciliations:
Total revenue									726,436	718,538	637,482
U.S. Segment | Operating Segments | Marketing & Events Group
Reportable segments reconciliations:
Total revenue									720,882	710,835	628,856
Segment operating income (loss)									14,563	21,400	11,024
International Segment | Operating Segments | Marketing & Events Group
Reportable segments reconciliations:
Total revenue									272,634	249,649	229,312
Segment operating income (loss)									$ 12,211	$ 10,339	$ 9,068