Increase (Decrease) in Gross Margin

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- Definition

Increase (Decrease) in Revenue

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

+ 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 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318

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- Definition

Expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services. Costs of public relations and corporate promotions are typically considered to be marketing costs.

+ 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 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Unaudited Quarterly Consolidated Financial Information (Additional Information) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Effect of Fourth Quarter Events [Line Items]
Increase (decrease) in revenue (percent)	(10.20%)				1.00%
Decrease in gross margin (percent)	7.80%
Decrease in revenue and gross profit	$ (78,724)	$ (122,434)	$ (169,640)	$ (129,366)	$ (72,744)	$ (120,821)	$ (189,870)	$ (127,370)	$ (500,164)	$ (510,805)	$ (590,345)
Asset impairment charges	$ 1,449	$ 930	572	$ 193	7,771	$ 5,460	$ 2,075	$ 0	3,144	15,306	8,827
Tax expense related to change in deferred tax asset valuation allowance					4,700				$ 16,041	$ 10,892	$ 5,370
Change in Estimates for Royalties [Member]
Effect of Fourth Quarter Events [Line Items]
Decrease in gross margin (percent)	2.30%
Increase (Decrease) [Member]
Effect of Fourth Quarter Events [Line Items]
Increase in marketing expense			$ 18,300
South Africa [Member]
Effect of Fourth Quarter Events [Line Items]
Asset impairment charges					5,700
Increase in Sales Discounts [Member] \| Increase (Decrease) [Member]
Effect of Fourth Quarter Events [Line Items]
Decrease in revenue and gross profit					8,700
Higher Sales Returns and Allowances [Member] \| Increase (Decrease) [Member]
Effect of Fourth Quarter Events [Line Items]
Decrease in revenue and gross profit					$ 6,000