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Goodwill and Other Intangibles - Goodwill (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | $ 1,387,628 | $ 1,384,520
Acquisition |  | 23,650
Currency exchange rate impact | 9,041 | (20,542)
Goodwill, ending balance | 1,396,669 | 1,387,628
North America |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 730,139 | 718,999
Acquisition |  | 15,078
Currency exchange rate impact | 2,895 | (3,938)
Goodwill, ending balance | 733,034 | 730,139
International |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 445,008 | 452,879
Acquisition |  | 8,572
Currency exchange rate impact | 7,144 | (16,443)
Goodwill, ending balance | 452,152 | 445,008
American Girl |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 212,481 | 212,642
Acquisition |  | 0
Currency exchange rate impact | (998) | (161)
Goodwill, ending balance | $ 211,483 | $ 212,481

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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