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

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Our future minimum cash payments, including interest, associated with our contractual obligations pursuant to the note purchase agreements, Credit Agreement, Premium Financing Debt Facility, operating leases and purchase commitments at December 31, 2017 were as follows (in millions):


	Payments Due by Period
Contractual Obligations	2018			2019			2020			2021			2022			Thereafter		Total
Note purchase agreements	$	100.0		$	100.0		$	100.0		$	75.0		$	200.0		$	2,223.0	$	2,798.0
Credit Agreement		190.0			—			—			—			—			—		190.0
Premium Financing Debt Facility		151.1			—			—			—			—			—		151.1
Interest on debt		120.6			115.1			110.7			105.7			100.5			368.2		920.8

Total debt obligations		561.7			215.1			210.7			180.7			300.5			2,591.2		4,059.9
Operating lease obligations		103.2			88.5			74.3			62.5			47.2			104.5		480.2
Less sublease arrangements		(0.7	)		(0.4	)		(0.4	)		(0.4	)		(0.2	)		—		(2.1	)
Outstanding purchase obligations		42.9			19.5			8.3			2.2			2.0			—		74.9

Total contractual obligations	$	707.1		$	322.7		$	292.9		$	245.0		$	349.5		$	2,695.7	$	4,612.9

Off-Balance Sheet Commitments

Our total unrecorded commitments associated with outstanding letters of credit, financial guarantees and funding commitments at December 31, 2017 were as follows (in millions):


													Total
	Amount of Commitment Expiration by Period												Amounts
Off-Balance Sheet Commitments	2018		2019		2020		2021		2022		Thereafter		Committed
Letters of credit	$	0.7	$	—	$	—	$	—	$	—	$	16.5	$	17.2
Financial guarantees		0.2		0.2		0.2		0.2		0.2		1.1		2.1
Funding commitments		0.4		—		—		—		—		—		0.4

Total commitments	$	1.3	$	0.2	$	0.2	$	0.2	$	0.2	$	17.6	$	19.7

Outstanding Letters of Credit and Funding Commitments

Our commitments associated with outstanding letters of credit, financial guarantees and funding commitments at December 31, 2017 were as follows (all dollar amounts in table are in millions):


			Compensation		Maximum		Liability
Description, Purpose and Trigger	Collateral		to Us		Exposure		Recorded
Venture capital funds
Funding commitment to one fund - funded in January 2018 Trigger - Agreed conditions met		None		None	$	0.4	$	—
Other
Credit support under letters of credit for deductibles due by us on our own insurance coverages - expires after 2022 Trigger - We do not reimburse the insurance companies for deductibles the insurance companies advance on our behalf		None		None		9.7		12.8
Credit enhancement under letters of credit for our captive insurance operations to meet minimum statutory capital requirements - expires after 2022 Trigger - Dissolution or catastrophic financial results of the operation		None		Reimbursement of LOC fees		6.3		—
Credit support for our obligation under a client’s insurance program - expires 2018 Trigger - claim payments are made		None		None		0.7		0.7
Credit support under letters of credit in lieu of a security deposit for an acquisition’s lease - expires 2023 Trigger - Lease payments do not get made		None		None		0.5		—
Financial guarantees of loans to 6 Canadian-based employees - expires when loan balances are reduced to zero through May 2029 - Principal and interest payments are paid quarterly Trigger - Default on loan payments		(1)		None		2.1		—

					$	19.7	$	13.5

(1)	The guarantees are collateralized by shares in minority holdings of our Canadian operating companies.