Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Related Party Transaction [Line Items]
Print Procurement Services	$ 0.5	$ 0.5	$ 1.0	$ 0.9
Insurance and Risk Management Services	0.1	$ 0.1	0.2	$ 0.1
Arthur J.Gallagher Co [Member]
Related Party Transaction [Line Items]
Due from Related Parties, Current	$ 0.5		$ 0.5