CONSOLIDATED STATEMENTS OF INCOME UNAUDITED (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
Revenue, Net	$ 1,569,897	$ 1,536,027	$ 3,094,900	$ 3,129,095
Cost of sales	1,191,447	1,168,681	2,345,626	2,393,649
Gross profit	378,450	367,346	749,274	735,446
Selling, general and administrative expenses	203,688	201,878	405,514	402,002
Provision for doubtful accounts	25,346	24,078	49,572	48,509
Settlement, litigation and other related charges	3,512	26,093	26,131	33,296
Other charges	31,268	49,209	35,274	60,721
Operating income	114,636	66,088	232,783	190,918
Interest expense, net of investment income	(29,624)	(35,574)	(59,083)	(66,408)
Income before income taxes	85,012	30,514	173,700	124,510
Income tax (benefit) expense	32,793	11,822	67,127	50,079
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	52,219	18,692	106,573	74,431
Earnings (loss) per common share - Basic:
Net income	$ 0.51	$ 0.17	$ 1.03	$ 0.67
Earnings (loss) per common share - Diluted:
Diluted earnings per share (per share)	$ 0.48	$ 0.17	$ 0.98	$ 0.65
Dividends per common share	$ 0.14	$ 0.07	$ 0.28	$ 0.14
Weighted average number of common shares outstanding:
Weighted Average Number of Shares Outstanding, Basic	102,867	110,580	103,038	111,033
Diluted shares (in shares)	109,931	113,472	108,736	114,987
Comprehensive income (loss)	$ 52,145	$ 17,003	$ 106,475	$ 73,164