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Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance, beginning of year	$ 2,703	$ 2,725	$ 2,858
Provision	7	1,061	945
Write-offs, recoveries and discounts allowed	(275)	(946)	(1,119)
Other	(196)	(137)	41
Balance, end of year	2,239	2,703	2,725
Allowance for Sales Discounts and Deductions [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance, beginning of year	1,809	1,810	2,302
Provision	3,856	4,356	5,526
Write-offs, recoveries and discounts allowed	(3,649)	(4,719)	(6,148)
Other	(423)	362	130
Balance, end of year	$ 1,593	$ 1,809	$ 1,810

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- Definition

Valuation allowances and reserves foreign currency translation adjustment and other.

+ References

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- Definition

Valuation allowances and reserves write offs recoveries and discounts allowed.

+ References

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- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 09
-Article 12

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- Definition

Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 09
-Article 12

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