Significant Accounting Policies Significant Accounting Policies - Advertising Costs (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounting Policies [Abstract]
Outbound shipping and handling charges	$ 2.6	$ 3.0	$ 3.7
Advertising expense	$ 0.7	$ 0.5	$ 0.6