XML 47 R33.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Goodwill (Tables) | 12 Months Ended
--- | ---
Dec. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Breakdown of Goodwill Reported by Segment | Below is a breakdown of goodwill, reported by segment as of December 30, 2016 and January 1, 2016:
|  | Environmental |  | Engineering and |  |  |
(In thousands) |  | and Health |  | Other Scientific |  | Total |
Goodwill |  | $ | 8,099 |  | $ | 508 |  | $ | 8,607 |

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration