Revenue - Schedule of Disaggregation of Revenue by Reporting Unit and Timing of Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Total net sales	$ 195.9	$ 216.9	$ 684.4	$ 762.7
U.S.
Total net sales	173.7	185.5	599.7	641.1
International
Total net sales	22.2	31.4	84.7	121.6
Point in time
Total net sales	152.0	176.1	550.7	637.9
Point in time | U.S.
Total net sales	137.5	149.4	486.5	530.0
Point in time | International
Total net sales	14.5	26.7	64.2	107.9
Over time
Total net sales	43.9	40.8	133.7	124.8
Over time | U.S.
Total net sales	36.2	36.1	113.2	111.1
Over time | International
Total net sales	7.7	4.7	20.5	13.7
Capital Markets | U.S.
Total net sales	97.1	102.5	335.1	364.6
Capital Markets | Point in time | U.S.
Total net sales	72.0	78.1	259.6	292.1
Capital Markets | Over time | U.S.
Total net sales	25.1	24.4	75.5	72.5
Investment Markets | U.S.
Total net sales	76.6	81.8	264.6	262.8
Investment Markets | Point in time | U.S.
Total net sales	65.5	70.1	226.9	224.2
Investment Markets | Over time | U.S.
Total net sales	$ 11.1	11.7	$ 37.7	38.6
Language Solutions | U.S.
Total net sales		1.2		13.7
Language Solutions | Point in time | U.S.
Total net sales		1.2		13.7
Language Solutions | Over time | U.S.
Total net sales		$ 0.0		$ 0.0