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Segment Information - Revenue from External Customers by Products and Services (Details) - Sales	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Breathing Apparatus
Revenue from External Customer [Line Items]
Concentration risk percentage	23.00%	18.00%
Fire Gas & Flame Detection
Revenue from External Customer [Line Items]
Concentration risk percentage	21.00%	22.00%
Portable Gas Detection
Revenue from External Customer [Line Items]
Concentration risk percentage	13.00%	14.00%
Industrial Head Protection
Revenue from External Customer [Line Items]
Concentration risk percentage	12.00%	14.00%
Fire and Rescue Helmets
Revenue from External Customer [Line Items]
Concentration risk percentage	5.00%	5.00%
Fall Protection
Revenue from External Customer [Line Items]
Concentration risk percentage	4.00%	4.00%
Other
Revenue from External Customer [Line Items]
Concentration risk percentage	22.00%	23.00%

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=51801978&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=49121117&loc=d3e13531-108611



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 275



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-Publisher FASB



-Name Accounting Standards Codification



-Topic 825



-SubTopic 10



-Section 50



-Paragraph 21



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611

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- Definition

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+ References

No definition available.

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