Description of Business: (Details 2) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Other
Cash Provided by Operating Activities from Continuing Operations	$ 137.8	$ 68.3
Cash Flows Used in Investing Activities from Continuing Operations	(25.0)	(5.0)
Continuing operations | Restatement impact
Other
Cash Provided by Operating Activities from Continuing Operations		1.8
Cash Flows Used in Investing Activities from Continuing Operations		(1.8)
Continuing operations | Restatement impact | Stock Based Compensation
Other
Cash Provided by Operating Activities from Continuing Operations		$ 1.8