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Shareholders' Equity (Deficit): Dividends and Repurchase of Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions					1 Months Ended
	Jul. 24, 2019	Apr. 24, 2019	Mar. 28, 2019	Jan. 23, 2019	Feb. 28, 2019	Sep. 28, 2019
Dividends
Cash dividends declared and paid (in dollars per share)	$ 0.25	$ 0.25		$ 0.15
2019 Tender Offer
Repurchase of Common Stock
Shares authorized for repurchase per tender offer					150,000
Price per share of common stock per tender offer					$ 159.63
Number of shares repurchased			150,000
Purchase price of shares per tender offer			$ 24.0
Common Stock Repurchase Program
Repurchase of Common Stock
Number of additional shares that can be repurchased						130,604

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Aggregate dividends declared during the period for each share of common stock outstanding.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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