Discontinued Operations Narrative (Details) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended	9 Months Ended		0 Months Ended	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Jan. 18, 2013 ISG [Member]	Mar. 31, 2013 ISG [Member]	Sep. 30, 2014 ISG [Member]	Sep. 30, 2013 ISG [Member]	Aug. 06, 2013 Champion [Member]	Sep. 30, 2014 Champion [Member]	Sep. 30, 2013 Champion [Member]	Sep. 30, 2014 Champion [Member]	Sep. 30, 2013 Champion [Member]	Aug. 29, 2014 Altimate Medical, Inc. [Member]	Sep. 30, 2014 Altimate Medical, Inc. [Member]	Sep. 30, 2013 Altimate Medical, Inc. [Member]	Sep. 30, 2014 Altimate Medical, Inc. [Member]	Sep. 30, 2013 Altimate Medical, Inc. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business					$ 150,800,000				$ 45,000,000					$ 23,000,000
Gain on sale of businesses (pre-tax)						(59,402,000)					22,761,000				17,069,000
Expenses related to sale							5,350,000					2,130,000			1,300,000
Expenses related to sale of business paid							5,230,000					1,537,000			844,000
Net sales of discontinued operations								18,498,000			2,643,000		15,857,000		2,841,000	4,597,000	11,778,000	13,714,000
Net earnings from discontinued operations before tax	50,000	1,198,000	1,811,000	6,066,000				402,000			484,000		3,156,000		634,000	1,371,000	2,796,000	4,215,000
Interest expense allocation										$ 78,000		$ 449,000			$ 52,000	$ 83,000	$ 202,000	$ 245,000