Acquisition And Strategic Partnership (Allocation Of Consideration Paid) (Details) (Amega West Services, LLC [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2010
Business Acquisition [Line Items]
Net working capital, including $4.9 million of accounts payable to Carpenter effectively settled at closing	$ 6.5
Property, plant and equipment	25.9
Goodwill	9.7
Deferred tax liabilities	(0.6)
Long-term debt	(12.4)
Total purchase price	41.6
Accounts payable	4.9
Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets	5.2
Non-Compete Agreements [Member]
Business Acquisition [Line Items]
Intangible assets	5.4
Trademarks And Tradenames [Member]
Business Acquisition [Line Items]
Intangible assets	$ 1.9