Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 28, 2014

Schedule of Carrying Value of Goodwill by Reporting Unit

The following table presents the carrying amount of goodwill by reporting unit:

	MCCC			PCIA			SDT			Total
	(In millions)
Balance as of December 28, 2014
Goodwill	$	201.9		$	156.1		$	54.5		$	412.5
Accumulated impairment losses		—			(148.8	)		(54.5	)		(203.3	)
	$	201.9		$	7.3		$	—		$	209.2
Xsens acquisition	$	44.4		$	—		$	—		$	44.4
Foreign exchange impact	$	(4.5	)	$	—		$	—		$	(4.5	)
Balance as of December 29, 2013
Goodwill	$	162.0		$	156.1		$	54.5		$	372.6
Accumulated impairment losses		—			(148.8	)		(54.5	)		(203.3	)
	$	162.0		$	7.3		$	—		$	169.3
Balance as of December 30, 2012
Goodwill	$	162.0		$	156.1		$	54.5		$	372.6
Accumulated impairment losses		—			(148.8	)		(54.5	)		(203.3	)
	$	162.0		$	7.3		$	—		$	169.3

Summary of Acquired Intangible Assets

The following table presents a summary of acquired intangible assets.

			As of December 28, 2014					As of December 29, 2013
	Period of Amortization		Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
			(In millions)
Identifiable intangible assets:
Developed technology		8-10 years	$	261.4	$	(245.3	)	$	250.8	$	(240.0	)
Customer base		6-10 years		86.1		(77.4	)		81.6		(73.6	)
Core technology		10-15 years		15.7		(6.3	)		15.7		(5.1	)
In-process R&D		3-10 years		3.3		(0.7	)		2.8		(0.5	)
Trademarks and trade names		5 years		0.5		(0.1	)		—		—
Subtotal				367.0		(329.8	)		350.9		(319.2	)
Goodwill				209.2		—			169.3		—
Total identifiable intangible assets			$	576.2	$	(329.8	)	$	520.2	$	(319.2	)

Schedule of Estimated Amortization Expense for Intangible Assets

The estimated amortization expense for intangible assets for each of the five succeeding fiscal years is as follows:

Estimated Amortization Expense:	(In millions)
Fiscal 2015	$	9.1
Fiscal 2016		8.1
Fiscal 2017		5.4
Fiscal 2018		4.1
Fiscal 2019		4.0