Acquisitions (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013
Business Combinations [Abstract]
Accounts receivable, net	$ 2.0
Inventories, net	2.8
Deferred charges and prepaid expenses	0.2
Other current assets	0.1
Property, plant and equipment, net	2.0
Goodwill	5.5
Other intangible assets	5.7
Total assets acquired	18.3
Accounts payable, trade	1.0
Salaries, wages and benefits	0.2
Other current liabilities	0.7
Other non-current liabilities	1.9
Total liabilities assumed	3.8
Net assets acquired	$ 14.5