Consolidated Statements of Changes in Equity and Income (USD $) In Thousands, unless otherwise specified	Total	Select	Comprehensive Income	Comprehensive Income Select	Common Stock	Common Stock Select	Capital in Excess of Par	Capital in Excess of Par Select	Retained Earnings (accumulated deficit)	Retained Earnings (accumulated deficit) Select	Non-controlling Interests	Non-controlling Interests Select
Balance at Dec. 31, 2012	$ 745,478	$ 909,747			$ 141	$ 0	$ 473,697	$ 859,839	$ 243,210	$ 21,478	$ 28,430	$ 28,430
Balance (in shares) at Dec. 31, 2012					140,589	0
Increase (Decrease) in Stockholders' Equity
Net income	89,588	91,778	89,588	91,778					85,470	87,660	4,118	4,118
Net income - attributable to redeemable non-controlling interests			2,299	2,299
Total comprehensive income			91,887	94,077
Issuance and vesting of restricted stock	4,695				0		4,695
Issuance and vesting of restricted stock (in shares)					72
Stock option expense	708						708
Repurchase of common shares	(10,946)				(1)		(7,020)		(3,925)
Repurchase of common shares (in shares)					(1,115)
Federal tax benefit of losses contributed by Holdings		1,181						1,181
Net change in dividends payable to Holdings		5,239								5,239
Dividends declared and paid	(27,929)	(211,754)							(27,929)	(211,754)
Contribution related to restricted stock awards and stock option issuances by Holdings		5,403						5,403
Acquisitions of non-controlling interests	261	261									261	261
Distributions to non-controlling interests	(1,565)	(1,565)									(1,565)	(1,565)
Redeemable non-controlling interests redemption value adjustment	(630)	(630)							(630)	(630)
Balance at Sep. 30, 2013	$ 799,660	$ 799,660			$ 140	$ 0	$ 472,080	$ 866,423	$ 296,196	$ (98,007)	$ 31,244	$ 31,244
Balance (in shares) at Sep. 30, 2013					139,546	0