Lease Commitments (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Schedule of Future Minimum Lease Payments, Capital and Operating Leases

Future minimum lease payments under operating leases as of December 31, 2017, which does not include $7.4 million in sublease income on the Company’s operating leases, are as follows (in millions):

Year	Operating Leases
2018	$	18.0
2019	19.5
2020	14.3
2021	11.4
2022	9.3
Thereafter	55.3
Total future minimum lease payments	$	127.8

Schedule of Unused Facilities Accrual Roll-forward

The accrual for excess facilities is as follows (in millions):

	Excess Facilities
Balance as of December 27, 2015	$	5.5
Adjustment of excess facility accrual	—
Cash payments	(1.5		)
Balance as of December 25, 2016	4.0
Adjustments of excess facility accruals	—
Cash payments	(0.7		)
Balance as of December 31, 2017	$	3.3