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Revenue From Contracts With Customers (Disaggregated Revenue) (Details) - Revenue from Contract with Customer [Member]	3 Months Ended	6 Months Ended
	Jun. 29, 2018	Jun. 29, 2018
Medical Segment [Member] | Customer Concentration Risk [Member] | Customer A [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	21.00%	21.00%
Medical Segment [Member] | Customer Concentration Risk [Member] | Customer B [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	20.00%	20.00%
Medical Segment [Member] | Customer Concentration Risk [Member] | Customer C [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	11.00%	11.00%
Medical Segment [Member] | Customer Concentration Risk [Member] | Customer D [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	0.00%
Medical Segment [Member] | Customer Concentration Risk [Member] | All Other Customers [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	48.00%	48.00%
Medical Segment [Member] | Geographic Concentration Risk [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	55.00%	56.00%
Medical Segment [Member] | Geographic Concentration Risk [Member] | Puerto Rico [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	13.00%	13.00%
Medical Segment [Member] | Geographic Concentration Risk [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	0.00%
Medical Segment [Member] | Geographic Concentration Risk [Member] | All Other Countries [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	32.00%	31.00%
Non-Medical Segment [Member] | Customer Concentration Risk [Member] | Customer A [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	0.00%
Non-Medical Segment [Member] | Customer Concentration Risk [Member] | Customer B [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	0.00%
Non-Medical Segment [Member] | Customer Concentration Risk [Member] | Customer C [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	0.00%
Non-Medical Segment [Member] | Customer Concentration Risk [Member] | Customer D [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	35.00%	28.00%
Non-Medical Segment [Member] | Customer Concentration Risk [Member] | All Other Customers [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	65.00%	72.00%
Non-Medical Segment [Member] | Geographic Concentration Risk [Member] | United States [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	69.00%	69.00%
Non-Medical Segment [Member] | Geographic Concentration Risk [Member] | Puerto Rico [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	0.00%
Non-Medical Segment [Member] | Geographic Concentration Risk [Member] | Canada [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	0.00%	10.00%
Non-Medical Segment [Member] | Geographic Concentration Risk [Member] | All Other Countries [Member]
Disaggregation of Revenue [Line Items]
Concentration risk percentage	31.00%	21.00%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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