Derivatives Derivative (Tranzact Interest Rate Swap) (Details) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014	Oct. 10, 2014
Derivative [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	6.07%
Tranzact [Member] | Tranzact Bank Facility
Derivative [Line Items]
Total commitment under revolving credit facility	$ 116.0
Line of Credit Facility, Fair Value of Amount Outstanding	104.7		$ 70.0
Line of Credit Facility, Amount Outstanding	$ 104.7	$ 68.7
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	4.73275%
Maximum | Tranzact [Member] | Tranzact Bank Facility
Derivative [Line Items]
LIBOR rate	4.50%
Minimum | Tranzact [Member] | Tranzact Bank Facility
Derivative [Line Items]
LIBOR rate	2.50%
Interest Rate Swap [Member] | Tranzact [Member]
Derivative [Line Items]
Derivative, Fixed Interest Rate	1.34%
Derivative, Variable Interest Rate	0.23275%	0.1518%
Derivative, Fair Value, Net	$ (0.2)
Term Loan [Member] | Tranzact [Member] | Tranzact Bank Facility
Derivative [Line Items]
Total commitment under revolving credit facility	$ 101.0