Discontinued Operations and Assets and Liabilities Held For Sale (Litha Assets Held for Sale and Related Liabilities) (Details) - USD ($)		3 Months Ended
	Feb. 27, 2017	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business, net (up to)		$ 16,217,000	$ 6,421,000
Liabilities held for sale		37,149,000		$ 24,338,000
Litha Healthcare Group Limited | Disposal Group, Held-for-sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business, net (up to)	$ 100,000,000
Current assets		66,764,000		50,167,000
Property, plant and equipment		3,515,000		3,527,000
Other intangibles, net		30,594,000		29,950,000
Other assets		11,987,000		11,343,000
Assets held for sale		112,860,000		94,987,000
Current liabilities		31,386,000		18,642,000
Deferred taxes		0		0
Other liabilities		5,763,000		5,696,000
Liabilities held for sale		$ 37,149,000		$ 24,338,000