Profit or loss for the period, net of income taxes.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

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Amount of increase in noncontrolling interest from a business combination.

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Value of stock (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 stock value of such awards forfeited. Stock 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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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

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Amount of increase (decrease) in temporary equity from changes classified as other.

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Value of new stock classified as temporary equity issued during the period.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital from Treasury Stock Transactions	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive (Loss) Income, net of tax	Total Shareholders' Equity	Nonredeemable Noncontrolling Interest in Subsidiary	Redeemable Noncontrolling Interest in Subsidiaries/ Temporary Equity
Balance, beginning of period at Dec. 31, 2016	$ 595,784	$ 320,982	$ 0	$ 529,749	$ (255,382)	$ (523)	$ 594,826	$ 958
Balance, beginning of period, Temporary Equity at Dec. 31, 2016									$ 31,362
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	160,007			159,531			159,531	476	2,920
Other Comprehensive Income (Loss), net of tax	689					689	689
Subscriptions—Redeemable Noncontrolling Interest Holders									4,095
Deconsolidation									(1,891)
Stock Award Activity	17,320	17,230		(14,131)	14,221		17,320
Dividends Declared	(76,248)			(76,248)			(76,248)
Distributions to Noncontrolling Interest in Subsidiaries	(1,434)							(1,434)	(7,495)
Purchases of Treasury Stock	(42,321)				(42,321)		(42,321)
Balance, end of period at Sep. 30, 2017	653,797	338,212	0	598,901	(283,482)	166	653,797	0
Balance, end of period, Temporary Equity at Sep. 30, 2017									28,991
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of New Accounting Pronouncements \| Adjustments for New Accounting Pronouncement [Member]	(129)			125		(254)	(129)
Balance, beginning of period at Dec. 31, 2017	761,215	343,378	0	697,359	(278,732)	(790)	761,215	0
Balance, beginning of period, Temporary Equity at Dec. 31, 2017									30,163
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	158,761			158,761			158,761	0	1,906
Other Comprehensive Income (Loss), net of tax	(4,223)					(4,223)	(4,223)		(1,781)
Subscriptions—Redeemable Noncontrolling Interest Holders									4,425
Deconsolidation									(1,751)
Stock Award Activity	18,438	18,216	15	(11,288)	11,495		18,438
Dividends Declared	(79,781)			(79,781)			(79,781)
Distributions to Noncontrolling Interest in Subsidiaries									(9,778)
Business Acquisition									169,560
Purchases of Treasury Stock	(26,917)				(26,917)		(26,917)
Balance, end of period at Sep. 30, 2018	$ 827,364	$ 361,594	$ 15	$ 765,176	$ (294,154)	$ (5,267)	$ 827,364	$ 0
Balance, end of period, Temporary Equity at Sep. 30, 2018									$ 192,744