CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Document Fiscal Year Focus			2017
Net loss	$ (29.7)	$ (24.6)	$ (32.9)	$ (54.0)
Foreign currency translation	5.4	(4.0)	20.1	9.9
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	0.3	0.3	1.7	0.2
Other comprehensive earnings (loss), net of tax
Foreign currency translation, net of tax	5.4	(4.0)	20.1	9.9
Changes in fair value of cash flow hedges:
Unrealized net gains arising during period	1.0	(2.2)	1.6	(0.5)
Net losses (gains) reclassified into earnings	0.3	0.3	1.7	0.2
Total cash flow hedges	1.3	(1.9)	3.3	(0.3)
Other comprehensive earnings, net of tax	6.7	(5.9)	23.4	9.6
Comprehensive earnings (loss)	$ (23.0)	$ (30.5)	$ (9.5)	$ (44.4)