Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended					12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Marketing & Events U.S [Member]	Dec. 31, 2011 Marketing & Events U.S [Member]	Dec. 31, 2010 Marketing & Events U.S [Member]	Dec. 31, 2012 Marketing & Events International [Member]	Dec. 31, 2011 Marketing & Events International [Member]	Dec. 31, 2012 Travel & Recreation Group [Member]	Dec. 31, 2011 Travel & Recreation Group [Member]
Changes in the carrying amount of goodwill
Goodwill, Beginning Balance	$ 133,694	$ 127,441	$ 62,686	$ 62,686	$ 62,686	$ 22,198	$ 22,455	$ 48,810	$ 42,300
Business acquisition	1,890	7,645						1,890	7,645
Foreign currency translation adjustments	2,236	(1,392)				856	(257)	1,380	(1,135)
Goodwill Ending balance	$ 137,820	$ 133,694	$ 62,686	$ 62,686	$ 62,686	$ 23,054	$ 22,198	$ 52,080	$ 48,810