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Discontinued Operations Discontinued Operations (Details 3) - UNITED KINGDOM - Customer Communications
$ in Millions
1 Months Ended
Apr. 29, 2016
USD ($)
Sale Leaseback Transaction [Line Items]  
Sale Leaseback Transaction, Net Proceeds, Investing Activities $ 16.0
Sale Leaseback Transaction, Lease Terms P12Y
Sale Leaseback Transaction, Annual Rental Payments $ 0.7