DelStar Acquisition (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	6 Months Ended	12 Months Ended
	Dec. 12, 2013	Jun. 30, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill		$ 121.0	$ 121.1
DelStar [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	233.7	2.4
Cash and cash equivalents	1.6
Accounts receivable	17.3
Inventory	21.2
Income taxes receivable	5.7
Deferred income tax benefits	1.5
Other current assets	0.8
Property, plant and equipment	41.5
Other noncurrent assets	0.7
Identifiable intangible assets	80.9
Total Assets	171.2
Accounts payable	4.8
Accrued expenses	6.7
Deferred income tax liabilities	40.4
Other liabilities	0.7
Net assets acquired	118.6
Goodwill	115.1
Cash paid	233.7
Current Assets, contractual receivables	17.6
Business Combination, Financing Costs			2.0
Business Acquisition, Transaction Costs		$ 0.4	$ 1.1