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Significant Accounting Policies Derivative Instruments Policy (Policies)	12 Months Ended
	Dec. 31, 2016
Accounting Policies [Abstract]
Derivatives, Policy [Policy Text Block]	Derivative Instruments We may enter into a variety of derivative instruments in connection with the management of our exposure to fluctuations in interest rates or currency exchange rates. See Note 14 - Derivative Instruments and Hedging Activities. We do not enter into derivatives for speculative purposes.