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Subsequent Event (Notes)	9 Months Ended
Subsequent Event (Notes)	Sep. 30, 2019
Subsequent Events [Abstract]
Subsequent Events [Text Block]	On October 23, 2019, the Company issued a notice to holders of its outstanding 6.80% Senior Notes due March 1, 2020, of the Company’s intent to redeem all of the outstanding notes on November 22, 2019. The Company expects that the redemption will decrease the "Current portion of long term debt" on the Condensed Consolidated Balance Sheets by $51.7 million and expects to incur a loss on early extinguishment of debt of approximately $0.7 million in connection with the redemption of the Senior Notes.