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Schedule of Business Acquisition - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Schedule of Business Acquisition - USD ($) $ in Millions	Mar. 31, 2015	Jun. 30, 2015
Acquisitions
Maximum period for payment for adjustments to provisional fair value measurements		1 year
S&P Clever
Acquisitions
Deferred consideration payment	$ 0.7
Contingent consideration payment	0.3
Bierbach GmbH & Co. KG.
Acquisitions
Contingent consideration payment	$ 0.2