Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended			9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Everett Charles Technologies [Member]	Sep. 30, 2013 Everett Charles Technologies [Member]	Sep. 30, 2014 DEK [Member]	Jun. 30, 2014 DEK [Member]	Sep. 30, 2014 DEK [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Spin off costs incurred to date	$ 327	$ 10,637	$ 27,055	$ 13,959
Total sale proceeds								174,897		174,897
Proceeds from the sale of businesses			178,112	3,756		4,482		173,630		173,630
Goodwill impairment loss, before tax							54,532
Goodwill impairment loss, net of tax							44,188
Deferred tax benefit realized on goodwill				25,520
Tax benefits recognized		1,971		54,425
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenue	0	419,527	239,237	1,195,277
Gain (loss) on sale and impairments, net of tax	512	0	(3,661)	(18,668)		3,224			(7,201)	(6,885)
Earnings from operations before taxes	(355)	53,020	(16,118)	129,669
Benefit from (provision for) income taxes	(1,138)	(10,141)	(872)	46,659
Earnings (loss) from operations, net of tax	(1,493)	42,879	(16,990)	176,328
Earnings (loss) from discontinued operations, net of tax	(981)	42,879	(20,651)	157,660
Assets of Discontinued Operations
Accounts receivable, net	0		0		346,486
Inventories, net	0		0		166,948
Prepaid and other current assets	8,512		8,512		79,356
Current assets	8,512		8,512		592,790
Property, plant and equipment, net	297		297		370,586
Goodwill and intangible assets, net	0		0		1,425,909
Other assets and deferred charges	2,078		2,078		43,001
Total assets of discontinued operations	10,887		10,887		2,432,286
Liabilities of Discontinued Operations
Accounts payable	17,498		17,498		252,605
Other current liabilities	12,297		12,297		99,009
Current liabilities	29,795		29,795		351,614
Deferred income taxes	19,217		19,217		78,723
Other liabilities	31,719		31,719		73,981
Total liabilities of discontinued operations	$ 80,731		$ 80,731		$ 504,318