Goodwill and Other Intangible Assets - Goodwill by Reporting Unit and Segment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill by reporting unit and segment
Goodwill	$ 129,543	$ 137,820	$ 133,694
Marketing & Events U.S.
Goodwill by reporting unit and segment
Goodwill	62,686	62,686
Marketing & Events International
Goodwill by reporting unit and segment
Goodwill	22,611	23,054	22,198
Marketing & Events International | United Kingdom (Melville GES)
Goodwill by reporting unit and segment
Goodwill	14,049	13,894
Marketing & Events International | GES Canada
Goodwill by reporting unit and segment
Goodwill	8,562	9,160
Marketing and Events Group
Goodwill by reporting unit and segment
Goodwill	85,297	85,740
Travel & Recreation Group
Goodwill by reporting unit and segment
Goodwill	44,246	52,080	48,810
Travel & Recreation Group | Brewster
Goodwill by reporting unit and segment
Goodwill	41,062	44,435
Travel & Recreation Group | Glacier Park
Goodwill by reporting unit and segment
Goodwill	0	4,461
Travel & Recreation Group | Alaska Denali Travel
Goodwill by reporting unit and segment
Goodwill	$ 3,184	$ 3,184