Basis of Presentation and Summary of Significant Accounting Policies Recent Financial Accounting Standards (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other Assets, Noncurrent	$ 28.3		$ 27.5
Assets, Current	1,330.1		1,059.8
Deferred income taxes	62.6		53.9
Deferred Tax Liabilities, Gross, Noncurrent	30.3		$ 31.7
Selling, general and administrative expenses	107.0	$ 98.2
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	1.9	4.8
Income tax (benefit)/expense	(1.9)	0.2
Net earnings	3.8	4.6
Net Income (Loss) Attributable to Parent	$ 3.8	$ 4.6
Earnings Per Share, Basic	$ 0.03	$ 0.04
Earnings Per Share, Diluted	$ 0.03	$ 0.04