Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013
Earnings from continuing operations, foreign	$ 77.1	$ 52.0	$ 63.4
Reduction in income tax benefit	23.50%
Operating loss carryforward with no expiration	26.8
Undistributed foreign earnings	443.4
Liability for unrecognized tax benefits	54.0	112.3
Accrued interest and penalties recorded in other long-term liabilities	19.1	23.5
Unrecognized tax benefits that would affect income tax expense	45.5
Interest and penalties share in unrecognized tax benefits	17.3
Interest and penalties recognized	(2.9)	3.0
Expected change in unrecognized tax benefits, lower				3.0
Expected change in unrecognized tax benefits, upper				10.0
Federal
Operating loss carryforwards	49.5
State
Operating loss carryforwards	1,056.7
Tax credit carryforward	0.9
Foreign
Valuation allowance	0.3	14.3
Operating loss carryforwards	33.1
Philippines and India [Member]
Effective income tax rate recocilliation, tax holidays	(11.60%)	(0.70%)	8.30%
Philippines and India [Member] | Foreign
Income tax holiday	3.5	2.5	9.6
India, Set to Expire March 2011 [Member] | Foreign
Income tax holiday	0	0.9	7.5
Segment, Discontinued Operations [Member]
Liability for unrecognized tax benefits	11.8	62.7
Segment, Discontinued Operations [Member] | Foreign
Valuation allowance		12.9
Business combinations [Domain] | Federal
Operating loss carryforwards	49.5
Business combinations [Domain] | State
Operating loss carryforwards	$ 107.6