Goodwill and Other Intangible Assets - Summary of Goodwill Balances by Component and Segment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Changes in the carrying amount of goodwill
Goodwill, Beginning Balance	$ 137,820	$ 133,694
Business acquisitions	158	1,890
Goodwill impairment charge	(4,461)
Foreign currency translation adjustments	(3,974)	2,236
Goodwill Ending balance	129,543	137,820
Marketing & Events U.S.
Changes in the carrying amount of goodwill
Goodwill, Beginning Balance	62,686	62,686
Business acquisitions	0	0
Goodwill impairment charge	0
Foreign currency translation adjustments	0	0
Goodwill Ending balance	62,686	62,686
Marketing & Events International
Changes in the carrying amount of goodwill
Goodwill, Beginning Balance	23,054	22,198
Business acquisitions	158	0
Goodwill impairment charge	0
Foreign currency translation adjustments	(601)	856
Goodwill Ending balance	22,611	23,054
Travel & Recreation Group
Changes in the carrying amount of goodwill
Goodwill, Beginning Balance	52,080	48,810
Business acquisitions	0	1,890
Foreign currency translation adjustments	(3,373)	1,380
Goodwill Ending balance	$ 44,246	$ 52,080