Consolidated Statement of Total Equity (USD $) In Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Total Shareholders' Equity	Noncontrolling Interests
Beginning Balance at Dec. 31, 2013	$ 1,574,919	$ 461	$ 432,792	$ (44,114)	$ 1,148,738	$ 1,537,877	$ 37,042
Beginning Balance (in shares) at Dec. 31, 2013		46,261
Consolidated net earnings	36,472				37,904	37,904	(1,432)
Other comprehensive earnings	1,975			1,973		1,973	2
Dividends declared	(37,254)				(37,254)	(37,254)
Issuances of common stock for stock award plans (in shares)		134
Issuances of common stock for stock award plans	11,430	2	11,428			11,430
Stock-based compensation expense	4,370		4,370			4,370
Purchase of subsidiary shares from noncontrolling interest	(24,913)		8,399			8,399	(33,312)
Ending Balance at Jun. 30, 2014	$ 1,566,999	$ 463	$ 456,989	$ (42,141)	$ 1,149,388	$ 1,564,699	$ 2,300
Ending Balance (in shares) at Jun. 30, 2014		46,395