Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2017

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

The summary pre-tax operating results of the discontinued operations were as follows during the three fiscal years ended:

	December 31, 2017		January 1, 2017		January 3, 2016
	(In thousands)
Revenue	$	44,343	$	146,217	$	158,128
Cost of revenue	32,933		95,395		97,777
Selling, general and administrative expenses	5,869		13,657		11,712
Research and development expenses	4,891		14,368		13,391
Restructuring and contract termination charges, net	—		568		43
Income from discontinued operations before income taxes	$	650	$	22,229	$	35,205

Schedule of Gains and Losses on Disposition of Discontinued Operations [Table Text Block]

The Company recorded the following pre-tax gains and losses, which have been reported as a net gain or loss on disposition of discontinued operations during the three fiscal years ended:

	December 31, 2017		January 1, 2017			January 3, 2016
	(In thousands)
Gain on disposition of the Medical Imaging business	$	179,615	$	—		$	—
Gain (loss) on disposition of Technical Services business	—		1,753			(28		)
Loss on disposition of Fluid Sciences Segment	—		(1,134		)	—
Gain (loss) on disposition of discontinued operations before income taxes	$	179,615	$	619		$	(28	)

Schedule of carrying amounts of major classes of assets and liabilities included in discontinued operations [Table Text Block]

The carrying amounts of the major classes of assets and liabilities included in discontinued operations as of December 31, 2017 and January 1, 2017 consisted of the following:

	December 31, 2017		January 1, 2017
	(In thousands)
Current assets of discontinued operations:
Accounts receivables	$	—	$	28,400
Inventories	—		26,977
Prepaid income taxes	—		425
Other current assets	—		3,183
Total current assets of discontinued operations	—		58,985
Property, plant and equipment	—		25,219
Intangible assets	—		3,292
Goodwill	—		38,794
Other assets, net	—		1,084
Long-term assets of discontinued operations	—		68,389
Total assets of discontinued operations	$	—	$	127,374
Current liabilities of discontinued operations:
Accounts payable	$	—	$	16,770
Accrued restructuring and contract termination charges	—		209
Accrued expenses and other current liabilities	2,102		9,992
Total current liabilities of discontinued operations	2,102		26,971
Deferred income taxes	—		7,851
Long-term liabilities	—		7,109
Total long-term liabilities	—		14,960
Total liabilities of discontinued operations	$	2,102	$	41,931