CONSOLIDATED STATEMENTS OF INCOME UNAUDITED (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Revenue, Net	$ 1,608,055	$ 1,515,168	$ 4,789,677	$ 4,477,229
Cost of sales	1,256,595	1,163,197	3,725,533	3,416,039
Gross profit	351,460	351,971	1,064,144	1,061,190
Selling, general and administrative expenses	178,940	182,668	549,816	565,276
Provision for doubtful accounts	19,911	24,963	62,562	75,113
Settlement, litigation and other related charges	12,868	143,484	27,467	169,615
Other charges	3,999	61,632	25,559	96,906
Operating income	135,742	(60,776)	398,740	154,280
Interest expense, net of investment income	(28,717)	(34,925)	(88,138)	(94,011)
Income before income taxes	107,025	(95,701)	310,602	60,269
Income tax (benefit) expense	38,948	(26,350)	117,641	34,004
Income from continuing operations	68,077	(69,351)	192,961	26,265
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	(3,246)	3,042	(42,385)	13,999
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	64,831	(66,309)	150,576	40,264
Earnings (loss) per common share - Basic:
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.70	$ (0.68)	$ 1.98	$ 0.26
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	$ (0.03)	$ 0.03	$ (0.43)	$ 0.14
Net income	$ 0.67	$ (0.65)	$ 1.54	$ 0.39
Earnings (loss) per common share - Diluted:
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.65	$ (0.68)	$ 1.81	$ 0.24
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	$ (0.03)	$ 0.03	$ (0.40)	$ 0.13
Diluted earnings per share	$ 0.61	$ (0.65)	$ 1.42	$ 0.37
Dividends per common share	$ 0.20	$ 0.14	$ 0.60	$ 0.42
Weighted average number of common shares outstanding:
Weighted Average Number of Shares Outstanding, Basic	97,019	101,811	97,521	102,624
Diluted shares	105,548	101,811	106,450	109,612
Comprehensive income (loss)	$ 65,170	$ (66,305)	$ 151,182	$ 40,170