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Segment Information Classified Based on Geographic Location (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net sales	$ 186.4	$ 179.7	$ 205.4	$ 196.5	$ 209.1	$ 193.8	$ 200.5	$ 175.7	$ 768.0	$ 779.1	$ 712.9
Long-lived assets (excluding intangibles)	56.2				56.4				56.2	56.4	51.7
U.S.
Segment Reporting Information [Line Items]
Net sales									576.8	580.6	537.1
Long-lived assets (excluding intangibles)	53.3				53.5				53.3	53.5	46.1
Europe/Other
Segment Reporting Information [Line Items]
Net sales									115.3	131.4	119.3
Europe
Segment Reporting Information [Line Items]
Long-lived assets (excluding intangibles)	2.6				2.5				2.6	2.5	5.2
Canada
Segment Reporting Information [Line Items]
Net sales									75.9	67.1	56.5
Other
Segment Reporting Information [Line Items]
Long-lived assets (excluding intangibles)	$ 0.3				$ 0.4				$ 0.3	$ 0.4	$ 0.4

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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