Subsequent Events (Details) (USD $) In Millions, unless otherwise specified		0 Months Ended	6 Months Ended
	Jun. 30, 2014	Aug. 01, 2014 Subsequent Event [Member] Conexis [Member] entity	Jun. 30, 2014 Subsequent Event [Member] Conexis [Member]	Jun. 30, 2014 Subsequent Event [Member] First Amendment [Member]	Jul. 21, 2014 Subsequent Event [Member] First Amendment [Member]
Subsequent Event [Line Items]
Debt, maximum allowed borrowing capacity	$ 75.0				$ 125.0
Credit facility expiration				Jul. 21, 2017
Business acquisition, cash paid at closing		118.0
Number of organizations serviced		16,000
Cash retained in acquisition		$ 10.0
Period for claims to be made against retained cash			12 months