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Summary of Significant Accounting Policies - Concentration of Risk (Details) - customer	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Concentration Risk [Line Items]
Percentage of revenues	no single customer represented over 9% of the Company’s outstanding accounts receivable balance.
Sales Revenue, Net | Customer Concentration Risk
Concentration Risk [Line Items]
Threshold used to determine number of major customers	10.00%	8.00%	9.00%
Sales Revenue, Net | Customer Concentration Risk | Regions outside the U.S.
Concentration Risk [Line Items]
Concentration risk percentage	46.00%	49.00%	47.00%
Sales Revenue, Net | Customer Concentration Risk | Top Five Customers Worldwide
Concentration Risk [Line Items]
Concentration risk percentage	21.00%	22.00%	26.00%
Accounts Receivable | Credit Concentration Risk
Concentration Risk [Line Items]
Threshold used to determine number of major customers	9.00%	9.00%
Accounts Receivable | Credit Concentration Risk | Customers With Accounts Receivable Greater Than Nine Percent Of Outstanding Receivables [Member]
Concentration Risk [Line Items]
Number of major customers	0	0
Golf Clubs | Sales Revenue, Net | Customer Concentration Risk | Top Five Customers Worldwide
Concentration Risk [Line Items]
Concentration risk percentage	20.00%	26.00%	28.00%
Golf Ball | Sales Revenue, Net | Customer Concentration Risk | Top Five Customers Worldwide
Concentration Risk [Line Items]
Concentration risk percentage	30.00%	28.00%	30.00%
Gear, Accessories and Other | Sales Revenue, Net | Customer Concentration Risk | Top Five Customers Worldwide
Concentration Risk [Line Items]
Concentration risk percentage	15.00%	18.00%	21.00%

X

- Definition

Concentration Risk, Threshold

+ References

No definition available.

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Number Of Major Customers

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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.

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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=64851502&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=73719730&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
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Disclosure of the extent of enterprise reliance on its major customers. For example, includes revenues from transactions with a single external customer amounting to 10 percent or more of the entity's revenues, the total amount of revenues from each such customer, and the identity of the segment or segments reporting the revenues. A group of entities that the entity knows to be under common control generally will be considered a single customer for inclusion in this item. The federal government, a state government, a local government (for example, a county or municipality), or a foreign government each will generally be considered as a single customer for inclusion in this item.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9054-108599

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