Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 27, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amounts of goodwill as of December 28, 2014 and December 27, 2015 by reportable segment are as follows (in millions):

	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 28, 2014							As of December 27, 2015
	Gross Value		Accumulated Amortization			Net Value		Gross Value		Accumulated Amortization			Net Value
Acquired finite-lived intangible assets:
Customer relationships	$	84.1	$	(58.2	)	$	25.9	$	83.7	$	(67.1	)	$	16.6
Contracts and backlog	72.1		(69.4		)	2.7		71.3		(69.4		)	1.9
Developed technology and technical know-how	23.1		(10.9		)	12.2		23.1		(13.3		)	9.8
Trade names	5.3		(4.6		)	0.7		5.3		(4.9		)	0.4
Favorable operating lease	1.8		(0.7		)	1.1		1.8		(0.9		)	0.9
Total finite-lived intangible assets	186.4		(143.8		)	42.6		185.2		(155.6		)	29.6
Indefinite-lived trade names	6.9		—			6.9		6.9		—			6.9
Total intangible assets	$	193.3	$	(143.8	)	$	49.5	$	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 27, 2015 is as follows (in millions):

Fiscal Year	Amount
2016	$	10.8
2017	9.4
2018	4.3
2019	3.5
2020	1.5
Thereafter	0.1
Total	$	29.6