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Restructuring Charges: (Details) (USD $)	3 Months Ended		9 Months Ended
Restructuring Charges: (Details) (USD $)	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Charges [Abstract]
Restructuring Charges	$ 2,840,000	$ 0	$ 2,840,000	$ 0
Restructuring Reserve	$ 2,100,000		$ 2,100,000

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References+ Details