Discontinued Operations Narrative (Details) - USD ($)		3 Months Ended		9 Months Ended
	Aug. 29, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net earnings from discontinued operations before tax		$ 0	$ 50,000	$ 0	$ 1,811,000
Altimate Medical, Inc. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business	$ 23,000,000
Gain on sale of businesses (pre-tax)			17,069,000
Expenses related to sale		8,401,000
Expenses related to sale of business paid		$ 8,006,000
Net sales of discontinued operations			2,841,000		11,778,000
Net earnings from discontinued operations before tax			634,000		2,796,000
Interest expense allocation			$ 52,000		$ 202,000