Acquisitions, Dispositions and Other Transactions (Acquisition Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Mar. 24, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 04, 2014
Business Acquisition [Line Items]
Interest rate						4.00%
Gain on acquisition		$ 0	$ 0	$ 2,819	$ 0
Kleeneze Limited
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Consideration	$ 5,100
Cash payment to acquire business	2,100
Other consideration transferred	1,900
Gain on acquisition	$ 2,819
Kleeneze Limited | Distributor Agreements
Business Acquisition [Line Items]
Useful life	5 years
Kleeneze Limited | Secured Debt
Business Acquisition [Line Items]
Cash consideration transferred	$ 3,000
Kleeneze Limited | Secured Debt | HSBC Bank PLC
Business Acquisition [Line Items]
Cash consideration transferred	$ 3,000
Debt instrument, term	2 years
Interest rate	1.10%
Kleeneze Limited | Secured Debt | HSBC Bank PLC | Bank of England Base Rate
Business Acquisition [Line Items]
Basis spread on variable interest rate (as a percent)	0.60%