Commitments, Contingencies and Off-Balance Sheet Arrangements (Tables)

12 Months Ended

Dec. 31, 2013

Commitments And Contingencies Disclosure [Abstract]

Contractual Obligations

Our future minimum cash payments, including interest, associated with our contractual obligations pursuant to the note purchase agreements and Credit Agreement, operating leases and purchase commitments at December 31, 2013 were as follows (in millions):

	Payments Due by Period
Contractual Obligations	2014			2015			2016			2017		2018		Thereafter		Total
Note purchase agreements	$	100.0		$	—		$	50.0		$	300.0	$	50.0	$	425.0	$	925.0
Credit Agreement		530.5			—			—			—		—		—		530.5
Interest on debt		51.1			44.1			44.1			41.2		21.9		54.7		257.1
Total debt obligations		681.6			44.1			94.1			341.2		71.9		479.7		1,712.6
Operating lease obligations		74.0			65.7			53.4			42.0		28.3		86.9		350.3
Less sublease arrangements		(1.8	)		(0.8	)		(0.1	)		—		—		—		(2.7	)
Outstanding purchase obligations		22.6			15.4			9.3			0.9		0.3		—		48.5
Total contractual obligations	$	776.4		$	124.4		$	156.7		$	384.1	$	100.5	$	566.6	$	2,108.7

Off-Balance Sheet Commitments

Off-Balance Sheet Commitments - Our total unrecorded commitments associated with outstanding letters of credit, financial guarantees and funding commitments at December 31, 2013 were as follows (in millions):

													Total
	Amount of Commitment Expiration by Period												Amounts
Off-Balance Sheet Commitments	2014		2015		2016		2017		2018		Thereafter		Committed
Letters of credit	$	—	$	—	$	—	$	—	$	—	$	16.0	$	16.0
Financial guarantees		—		—		—		—		—		9.1		9.1
Funding commitments		8.5		—		—		—		—		2.9		11.4
Total commitments	$	8.5	$	—	$	—	$	—	$	—	$	28.0	$	36.5

Outstanding Letters of Credit and Funding Commitments

Our commitments associated with outstanding letters of credit, financial guarantees and funding commitments at December 31, 2013 were as follows (all dollar amounts in table are in millions):

Description, Purpose and Trigger	Collateral	Compensation to Us	Maximum Exposure		Liability Recorded
IRC Section 45 project capital commitments
Funding commitments to construct refined coal plants into permanent operations Trigger - Construction contract terms	None	None	$	6.0	$	—
Venture capital fund
Funding commitment to three funds - $2.5 million, $1.5 million and $1.4 million expire in 2014, 2019 and 2023, respectively Trigger - Agreed conditions met	None	None		5.4		—
Other
Credit support under letters of credit for deductibles due by us on our own insurance coverages - expires after 2018 Trigger - We do not reimburse the insurance companies for deductibles the insurance companies advance on behalf of us	None	None		9.8		9.0
Credit enhancement under letters of credit for our captive insurance operations to meet minimum statutory capital requirements - expires after 2018 Trigger - Dissolution or catastrophic financial results of the operation	None	Reimbursement of LOC fees		4.2		—
Credit support under letters of credit for clients’ claim funds held by our Bermuda captive insurance operation in a fiduciary capacity - expires after 2018 Trigger - Investments fall below prescribed levels	None	Reimbursement of LOC fees		2.0		—
Financial guarantee of a mortgage loan to a U.K.-based employee - expires when mortgage balance is reduced to $6.4 million Trigger - Default on mortgage payments	(1)	None		9.1		—
			$	36.5	$	9.0

(1) The guarantee has no collateral. The mortgage loan has a lien on real property with an appraised value of approximately $11.0 million.