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Goodwill (Tables) | 3 Months Ended
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Apr. 01, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Reconciliation of Activity for Goodwill | A reconciliation of the activity for goodwill for the first quarter of 2018 and the first quarter of 2017 is as follows:
|  | First Quarter |
(in thousands) |  | 2018 |  |  | 2017 |
Beginning balance - goodwill |  | $ | 169,316 |  |  | $ | 144,586 |
System Transformation Transactions acquisitions |  |  | - |  |  |  | 4,849 |
Measurement period adjustments(1) |  |  | 946 |  |  |  | (52 | )
Ending balance - goodwill |  | $ | 170,262 |  |  | $ | 149,383 |
(1) Measurement period adjustments relate to post-closing adjustments made in accordance with the terms and conditions of the applicable asset purchase agreement or asset exchange agreement for each System Transformation Transaction.

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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