Operating Segments and Geographic Information Income Statement (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Segment Reporting Information [Line Items]
Revenues	$ 288,524		$ 295,569		$ 964,007		$ 898,309
Income from operations	17,907		40,014		105,976		151,071
Interest income	(853)		(151)		(1,676)		(1,057)
Interest expense	44		377		519		556
Foreign currency transaction losses, net	1,043		21		4,457		2,670
Other (income) expense, net	13		71		180		(690)
Income before taxes	17,660		39,696		102,496		149,592
Depreciation and amortization	10,645		9,559		31,167		26,815
Americas [Member]
Segment Reporting Information [Line Items]
Revenues	116,194		131,948		391,878		383,866
Income from operations	17,969	[1]	27,610	[1]	61,787	[1]	77,299	[1]
Depreciation and amortization	2,690		2,347		7,663		7,530
Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenues	79,406		72,964		281,695		232,240
Income from operations	13,690		18,014		76,478		65,488
Depreciation and amortization	1,244		1,256		3,722		3,557
Japan [Member]
Segment Reporting Information [Line Items]
Revenues	38,984		50,731		114,815		140,336
Income from operations	11,656		20,999		36,679		61,666
Depreciation and amortization	346		575		1,122		1,474
Europe [Member]
Segment Reporting Information [Line Items]
Revenues	53,903		39,765		175,419		141,534
Income from operations	6,860		1,351		31,188		27,730
Depreciation and amortization	1,367		787		3,798		2,079
Total Segment Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	288,487		295,408		963,807		897,976
Total Segment Operating Income [Member]
Segment Reporting Information [Line Items]
Income from operations	50,175		67,974		206,132		232,183
Total Segment Depreciation And Amortization [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	5,647		4,965		16,305		14,640
Other businesses [Member]
Segment Reporting Information [Line Items]
Revenues	37		161		200		333
Income from operations	(5,495)		(2,690)		(14,907)		(8,598)
Depreciation and amortization	2,045		1,704		6,285		4,765
Intersegment eliminations [Member]
Segment Reporting Information [Line Items]
Income from operations	15		15		45		54
Unallocated corporate and other [Member]
Segment Reporting Information [Line Items]
Income from operations	(26,788)	[2]	(25,285)	[2]	(85,294)	[2]	(72,568)	[2]
Depreciation and amortization	$ 2,953	[2]	$ 2,890	[2]	$ 8,577	[2]	$ 7,410	[2]

[1] Includes $0.2 million and $0.8 million for the nine months ended September 30, 2013 and 2012, respectively, of asset impairment charges related to certain underperforming retail locations.

[2] Includes a corporate component consisting primarily of corporate support and administrative functions, costs associated with share-based compensation, research and development, brand marketing, legal, depreciation and amortization of corporate and other assets not allocated to operating segments and costs of the same nature related to certain corporate holding companies.