Significant Accounting Policies (Schedule of Common Stock Outstanding) (Details) - shares		12 Months Ended
Nov. 28, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance, Beginning of Year (in shares)		27,973,281	0	0
Issuance Related to Separation and Distribution (in shares)	27,967,509	0	27,967,509	0
Shares repurchased (in shares)		(708,245)	0	0
Issuance Related to Stock-Based Compensation (in shares)		172,808	5,772	0
Balance, End of Year (in shares)		27,437,844	27,973,281	0

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Number of new stock issued during the period.

+ References

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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