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Assets Held for Sale (Details) - USD ($) $ in Millions	3 Months Ended
Assets Held for Sale (Details) - USD ($) $ in Millions	Mar. 31, 2017	Mar. 31, 2016	Mar. 06, 2017
Stored Value Solutions (SVS) Joint Venture
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Ownership percentage			42.50%
First Data \| Stored Value Solutions (SVS) Joint Venture
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Ownership percentage by noncontrolling owners			57.50%
Stored Value Solutions \| Held-for-sale
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
SVS current assets	$ 54.7
SVS goodwill	183.9
SVS intangible assets	218.0
SVS revenue	$ 48.0	$ 42.0