Product Line, Customer and Geographic Information - Customers Accounted Revenues by Geographic Location (Detail) - Sales [Member]	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	10.00%	10.00%
Europe, Middle East, & Africa [Member] \| Geographic Concentration Risk [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	16.00%	14.00%
Asia Pacific [Member] \| Geographic Concentration Risk [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	10.00%	12.00%
Other Americas [Member] \| Geographic Concentration Risk [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	2.00%	3.00%
Total Foreign Sales [Member] \| Geographic Concentration Risk [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Sales	28.00%	29.00%

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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Data Type:	num:percentItemType
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