Benefit Plans (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Benefit Plans [Abstract]
Employee vesting period for defined benefit plans (in years)		5
Change in benefit obligation [Roll Forward]
Benefit obligation at beginning of year		$ 206,000,000
Benefit obligation at end of year		250,500,000	206,000,000
Amounts recognized in Balance Sheet [Abstract]
Non-current liability		(97,318,000)	(48,563,000)
Components of net periodic benefit cost [Abstract]
Pre-tax pension settlement charge included in discontinued operations				9,400,000
Amounts that will be amortized from Accumulated other comprehensive income (loss) in next fiscal year [Abstract]
Actual return (loss) on pension assets (in hundredths)		2.00%	11.00%	7.00%
Maximum health care cost trend rate (in hundredths)		5.00%
Weighted average asset allocations value [Abstract]
Equity securities value		106,100,000	105,600,000
Real estate value		200,000	200,000
Other value		4,800,000	4,200,000
Total value		187,500,000	191,600,000
Estimated future benefit payments [Abstract]
Target long-term investment portfolio mix, equity securities (in hundredths)		65.00%
Target long-term investment portfolio mix, fixed income securities (in hundredths)		35.00%
Actual long-term investment portfolio mix, equity securities (in hundredths)		.60
Actual long-term investment portfolio mix, fixed income securities (in hundredths)		.40
Average rate of return on assets, period (in years)		19
Average rate of return on assets (in hundredths)		9.00%
Company's contributions to employee voluntary savings and investment plan		2,700,000	2,700,000	2,700,000
Weighted average assumptions used to determine net periodic benefit cost [Abstract]
Discount rate (in hundredths)		5.70%	5.75%	6.00%
Expected return on plan assets (in hundredths)		7.25%	7.40%	7.15%
Rate of compensation increase (in hundredths)		3.20%	3.50%	3.20%
Weighted average assumptions used to determine benefit obligation [Abstract]
Discount rate (in hundredths)		4.30%	5.70%	5.70%
Rate of compensation increase (in hundredths)		3.10%	3.20%	3.20%
Level 1 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		165,800,000	163,400,000
Fair value of plan assets [Abstract]
Fair value of plan assets		165,800,000	163,400,000
Fair value of plan assets		165,800,000	163,400,000
Level 2 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		16,900,000	23,800,000
Fair value of plan assets [Abstract]
Fair value of plan assets		16,900,000	23,800,000
Fair value of plan assets		16,900,000	23,800,000
Level 3 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		4,800,000	4,400,000
Fair value of plan assets [Abstract]
Fair value of plan assets		4,800,000	4,400,000
Fair value of plan assets		4,800,000	4,400,000
US Equities [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		72,500,000	79,900,000
Fair value of plan assets [Abstract]
Fair value of plan assets		72,500,000	79,900,000
Fair value of plan assets		72,500,000	79,900,000
US Equities [Member] | Level 1 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		72,500,000	79,900,000
Fair value of plan assets [Abstract]
Fair value of plan assets		72,500,000	79,900,000
Fair value of plan assets		72,500,000	79,900,000
Other Assets [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		4,800,000	4,200,000
Fair value of plan assets [Abstract]
Fair value of plan assets		4,800,000	4,200,000
Fair value of plan assets		4,800,000	4,200,000
Other Assets [Member] | Level 1 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		200,000
Fair value of plan assets [Abstract]
Fair value of plan assets		200,000
Fair value of plan assets		200,000
Other Assets [Member] | Level 3 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		4,600,000	4,200,000
Fair value of plan assets [Abstract]
Fair value of plan assets		4,600,000	4,200,000
Fair value of plan assets		4,600,000	4,200,000
Non-US Equities [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		33,600,000	25,700,000
Fair value of plan assets [Abstract]
Fair value of plan assets		33,600,000	25,700,000
Fair value of plan assets		33,600,000	25,700,000
Non-US Equities [Member] | Level 1 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		33,600,000	25,700,000
Fair value of plan assets [Abstract]
Fair value of plan assets		33,600,000	25,700,000
Fair value of plan assets		33,600,000	25,700,000
Corporate Debt Instruments [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		76,400,000	81,600,000
Fair value of plan assets [Abstract]
Fair value of plan assets		76,400,000	81,600,000
Fair value of plan assets		76,400,000	81,600,000
Corporate Debt Instruments [Member] | Level 1 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		59,500,000	57,800,000
Fair value of plan assets [Abstract]
Fair value of plan assets		59,500,000	57,800,000
Fair value of plan assets		59,500,000	57,800,000
Corporate Debt Instruments [Member] | Level 2 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		16,900,000	23,800,000
Fair value of plan assets [Abstract]
Fair value of plan assets		16,900,000	23,800,000
Fair value of plan assets		16,900,000	23,800,000
Real Estate [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		200,000	200,000
Fair value of plan assets [Abstract]
Fair value of plan assets		200,000	200,000
Fair value of plan assets		200,000	200,000
Real Estate [Member] | Level 3 [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		200,000	200,000
Fair value of plan assets [Abstract]
Fair value of plan assets		200,000	200,000
Fair value of plan assets		200,000	200,000
Pension Plans, Defined Benefit [Member]
Change in benefit obligation [Roll Forward]
Benefit obligation at beginning of year	271,900,000	226,500,000	210,200,000
Service cost		7,100,000	6,600,000	7,100,000
Interest cost		11,700,000	11,500,000	11,300,000
Actuarial (gain) loss		40,500,000	10,900,000
Benefits paid		(11,700,000)	(11,400,000)
Settlements		(1,500,000)	0
Foreign exchange impact		(600,000)	(1,700,000)
Other		0	400,000
Benefit obligation at end of year		271,900,000	226,500,000	210,200,000
Change in plan assets [Roll Foward]
Fair value of plan assets beginning of year	187,500,000	191,600,000	176,700,000
Actual return on plan assets		3,100,000	19,900,000
Employer contributions		6,100,000	8,000,000
Plan participants' contributions		400,000	400,000
Benefits paid		(11,700,000)	(11,400,000)
Settlements		(1,500,000)	0
Foreign exchange impact		(500,000)	(2,000,000)
Fair value of plan assets at end of year		187,500,000	191,600,000	176,700,000
Funded status		(84,400,000)	(34,900,000)
Amounts recognized in Balance Sheet [Abstract]
Non-current asset		0	(100,000)
Current liability		400,000	500,000
Non-current liability		84,000,000	34,500,000
Recognized liability		84,400,000	34,900,000
Amounts recognized in accumulated other comprehensive income [Abstract]
Net actuarial loss		(84,700,000)	(58,800,000)
Prior service cost		(2,900,000)	(3,800,000)
Amount recognized end of year		(87,600,000)	(62,600,000)
Changes in Plan assets and benefit obligations recognized in other comprehensive income [Abstract]
Current year actuarial gain (loss)		(31,500,000)
Amortization of actuarial loss		5,600,000
Amortization of prior service credit (gain) loss		800,000
Total recognized in other comprehensive income		(25,100,000)
Components of net periodic benefit cost [Abstract]
Service cost		7,100,000	6,600,000	7,100,000
Interest cost		11,700,000	11,500,000	11,300,000
Expected return on plan assets		(13,800,000)	(12,600,000)	(12,500,000)
Amortization of prior service cost		1,300,000	1,400,000	2,100,000
Recognized net actuarial loss		8,600,000	8,400,000	7,300,000
Settlement /curtailment loss		500,000	0	9,400,000
Net periodic benefit cost		15,300,000	15,300,000	24,700,000
Amounts that will be amortized from Accumulated other comprehensive income (loss) in next fiscal year [Abstract]
Amortization of prior service cost	(1,200,000)
Amortization of net loss	(12,700,000)
Total costs to be recognized	(13,900,000)
Weighted average asset allocations [Abstract]
Equity securities (in hundredths)		56.50%	55.10%
Fixed income securities (in hundredths)		40.80%	42.60%
Real estate (in hundredths)		0.10%	0.10%
Other (in hundredths)		2.60%	2.20%
Total (in hundredths)		100.00%	100.00%
Fair value of plan assets [Abstract]
Fair value of plan assets		187,500,000	191,600,000	176,700,000
Fair value of plan assets		187,500,000	191,600,000	176,700,000
Expected company contribution to its benefit plans		12,000,000
Estimated future benefit payments [Abstract]
2012		10,800,000
2013		13,000,000
2014		14,400,000
2015		15,600,000
2016		16,500,000
2017-2021		93,900,000
Other Postretirement Benefit Plans, Defined Benefit [Member]
Change in benefit obligation [Roll Forward]
Benefit obligation at beginning of year	14,400,000	15,600,000	13,200,000
Service cost		700,000	700,000	1,100,000
Interest cost		600,000	800,000	1,500,000
Actuarial (gain) loss		(2,100,000)	1,400,000
Benefits paid		(500,000)	(500,000)
Settlements		0	0
Foreign exchange impact		0	0
Other		0	0
Benefit obligation at end of year		14,400,000	15,600,000	13,200,000
Change in plan assets [Roll Foward]
Employer contributions		500,000	500,000
Benefits paid		(500,000)	(500,000)
Funded status		(14,400,000)	(15,600,000)
Amounts recognized in Balance Sheet [Abstract]
Non-current asset		0	0
Current liability		1,200,000	1,500,000
Non-current liability		13,200,000	14,100,000
Recognized liability		14,400,000	15,600,000
Amounts recognized in accumulated other comprehensive income [Abstract]
Net actuarial loss		1,500,000	2,800,000
Prior service cost		(11,700,000)	(13,600,000)
Amount recognized end of year		(10,200,000)	(10,800,000)
Changes in Plan assets and benefit obligations recognized in other comprehensive income [Abstract]
Current year actuarial gain (loss)		1,200,000
Amortization of actuarial loss		100,000
Amortization of prior service credit (gain) loss		(1,900,000)
Total recognized in other comprehensive income		(600,000)
Components of net periodic benefit cost [Abstract]
Service cost		700,000	700,000	1,100,000
Interest cost		600,000	800,000	1,500,000
Expected return on plan assets		0	0	0
Amortization of prior service cost		(3,100,000)	(3,100,000)	(1,600,000)
Recognized net actuarial loss		100,000	400,000	200,000
Settlement /curtailment loss		0	0	0
Net periodic benefit cost		(1,600,000)	(1,200,000)	1,200,000
Amounts that will be amortized from Accumulated other comprehensive income (loss) in next fiscal year [Abstract]
Amortization of prior service cost	3,100,000
Amortization of net loss	(100,000)
Total costs to be recognized	3,000,000
Fair value of plan assets [Abstract]
Expected company contribution to its benefit plans		1,200,000
Estimated future benefit payments [Abstract]
2012		1,200,000
2013		1,100,000
2014		1,000,000
2015		1,000,000
2016		1,000,000
2017-2021		5,600,000
U.S. Plans [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		132,200,000	138,100,000	126,400,000
Fair value of plan assets [Abstract]
Fair value of plan assets		132,200,000	138,100,000	126,400,000
Fair value of plan assets		132,200,000	138,100,000	126,400,000
International Plans [Member]
Change in plan assets [Roll Foward]
Fair value of plan assets at end of year		55,300,000	53,500,000	50,300,000
Fair value of plan assets [Abstract]
Fair value of plan assets		55,300,000	53,500,000	50,300,000
Fair value of plan assets		$ 55,300,000	$ 53,500,000	$ 50,300,000