Segment Results (Reconciliation of Total Segment Assets to Total Consolidated Assets) (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Total consolidated assets	$ 1,732.7	$ 1,813.0
Unallocated Corporate Segment [Member]
Segment Reporting Information [Line Items]
Total consolidated assets	145.6	237.8
Americas [Member]
Segment Reporting Information [Line Items]
Total consolidated assets	1,144.4	1,137.4
EMEA [Member]
Segment Reporting Information [Line Items]
Total consolidated assets	296.1	283.3
Pacific Rim [Member]
Segment Reporting Information [Line Items]
Total consolidated assets	$ 146.6	$ 154.5