Quarterly Financial Data (Unaudited) (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended							12 Months Ended
	Oct. 02, 2012	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Financial Data (Unaudited) [Abstract]
Acquisition and integration costs		$ 9,700,000			$ 13,500,000	$ 4,500,000	$ 28,600,000	$ 35,100,000	$ 9,652,000	$ 81,737,000	$ 143,146,000
Acquisition and integration costs, after tax		6,100,000			9,100,000	2,900,000	18,100,000	21,700,000
Acquisition and integration costs, after tax effect on net income (in dollars per share)		$ 0.01			$ 0.01		$ 0.02	$ 0.02
Pension settlement costs		3,900,000	40,300,000						44,163,000
Pension settlement costs, after tax		2,400,000	25,000,000
Pension settlement costs after tax effect on net income (in dollars per share)			0.03
Losses on early extinguishment of debt	(19,300,000)			159,800,000	19,300,000	200,000	70,800,000		(159,780,000)	(90,363,000)
Losses on early extinguishment of debt, net of tax				$ 98,900,000	$ 12,100,000	$ 200,000	$ 44,500,000
Losses on early extinguishment of debt after tax effect on net income (in dollars per share)				$ 0.10	$ 0.01		$ 0.04