Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 25, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amounts of goodwill as of December 25, 2016 and December 27, 2015 by reportable segment are as follows (in millions):

	As of December 25, 2016
	PSS		US		KGS		Total
Gross value	$	53.9	$	111.1	$	567.8	$	732.8
Less accumulated impairment	18.3		13.8		215.3		247.4
Net	$	35.6	$	97.3	$	352.5	$	485.4

	As of December 27, 2015
	PSS		US		KGS		Total
Gross value	$	53.9	$	111.1	$	565.8	$	730.8
Less accumulated impairment	18.3		13.8		215.3		247.4
Net	$	35.6	$	97.3	$	350.5	$	483.4

Schedule of Acquired Finite-Lived Intangible Assets

The following table sets forth information for acquired finite-lived and indefinite-lived intangible assets (in millions):

	As of December 25, 2016							As of December 27, 2015
	Gross Value		Accumulated Amortization			Net Value		Gross Value		Accumulated Amortization			Net Value
Acquired finite-lived intangible assets:
Customer relationships	$	53.7	$	(44.9	)	$	8.8	$	83.7	$	(67.1	)	$	16.6
Contracts and backlog	30.8		(23.7		)	7.1		71.3		(69.4		)	1.9
Developed technology and technical know-how	25.2		(15.7		)	9.5		23.1		(13.3		)	9.8
Trade names	1.4		(1.1		)	0.3		5.3		(4.9		)	0.4
Favorable operating lease	—		—			—		1.8		(0.9		)	0.9
Total finite-lived intangible assets	111.1		(85.4		)	25.7		185.2		(155.6		)	29.6
Indefinite-lived trade names	6.9		—			6.9		6.9		—			6.9
Total intangible assets	$	118.0	$	(85.4	)	$	32.6	$	192.1	$	(155.6	)	$	36.5

Schedule of Future Amortization Expense of Finite-Lived Intangible Assets

The estimated future amortization expense of acquired intangible assets with finite lives as of December 25, 2016 is as follows (in millions):

Fiscal Year	Amount
2017	$	10.5
2018	5.9
2019	5.1
2020	3.1
2021	1.1
Total	$	25.7