Information on Business Segments Details 1 (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Assets	$ 1,734,970		$ 1,868,596
Aerospace [Member]
Segment Reporting Information [Line Items]
Assets	534,167		533,465
Industrial [Member]
Segment Reporting Information [Line Items]
Assets	906,112		907,124
Other [Member]
Segment Reporting Information [Line Items]
Assets	$ 294,691	[1]	$ 428,007	[1]

[1] "Other" assets include corporate-controlled assets, the majority of which are cash and deferred tax assets. Other assets as of December 31, 2012 also include the assets of BDNA, which was sold on April 22, 2013. See Note 2.