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Segment and Significant Customer Information (Details)

3 Months Ended

Mar. 31, 2016

Mar. 31, 2015

Revenue, Major Customer [Line Items]

Concentration risk percentage

10.00%

Animal Health International, Inc. [Member]

Revenue, Major Customer [Line Items]

Concentration risk percentage

^[1]

37.00%

42.00%

MWI Animal Health [Member]

Revenue, Major Customer [Line Items]

Concentration risk percentage

^[2]

21.00%

26.00%

Robert J. Matthews Company [Member]

Revenue, Major Customer [Line Items]

Concentration risk percentage

10.00%

^[3]

[1]	During June 2015, Patterson Companies, Inc. (NASDAQ: PDCO) acquired Animal Health International, Inc.
[2]	During March 2015, AmerisourceBergen Corporation (NYSE: ABC) acquired MWI Animal Health.
[3]	Amount is less than 10%.

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=64851502&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=73719730&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=64851502&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=73719730&loc=d3e13537-108611

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- Definition

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+ References

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- Details

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