Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Rent Expense

Rent expense, inclusive of rent based on scheduled rent increases and rent holidays recognized on a straight-line basis, was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(in millions)	2017		2016		2017		2016
Rent expense	$	7.1	$	6.7	$	14.4	$	13.4

Schedule of Accrual for Workers' Compensation

Workers' compensation claims accruals were included in the Condensed Consolidated Balance Sheets as follows:

(in millions)	June 30, 2017		December 31, 2016
Compensation and benefits - accrued expenses	$	5.1	$	5.8
Other long-term liabilities	11.5		12.3
Total workers' compensation liability	$	16.6	$	18.1

Schedule of Letters of Credit and Bank Guarantees Outstanding

Letters of credit and bank guarantees outstanding under existing agreements were as follows: 

(in millions)	June 30, 2017		December 31, 2016
Letters of credit and bank guarantees outstanding	$	34.4	$	28.7