Revenues - Revenue by Reportable Operating Segment and by Channel (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disaggregation of Revenue [Line Items]
Revenues	$ 215,989	$ 261,064	$ 328,004	$ 283,148	$ 199,112	$ 243,273	$ 313,221	$ 267,907	$ 1,088,205	$ 1,023,513	$ 1,036,273
Wholesale
Disaggregation of Revenue [Line Items]
Revenues									578,044
Retail
Disaggregation of Revenue [Line Items]
Revenues									327,428
E-commerce
Disaggregation of Revenue [Line Items]
Revenues									182,733
Americas
Disaggregation of Revenue [Line Items]
Revenues									520,192
Americas | Wholesale
Disaggregation of Revenue [Line Items]
Revenues									216,797
Americas | Retail
Disaggregation of Revenue [Line Items]
Revenues									204,806
Americas | E-commerce
Disaggregation of Revenue [Line Items]
Revenues									98,589
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues									344,598
Asia Pacific | Wholesale
Disaggregation of Revenue [Line Items]
Revenues									203,110
Asia Pacific | Retail
Disaggregation of Revenue [Line Items]
Revenues									87,264
Asia Pacific | E-commerce
Disaggregation of Revenue [Line Items]
Revenues									54,224
EMEA
Disaggregation of Revenue [Line Items]
Revenues									220,270
EMEA | Wholesale
Disaggregation of Revenue [Line Items]
Revenues									154,992
EMEA | Retail
Disaggregation of Revenue [Line Items]
Revenues									35,358
EMEA | E-commerce
Disaggregation of Revenue [Line Items]
Revenues									29,920
Other Businesses
Disaggregation of Revenue [Line Items]
Revenues									3,145
Other Businesses | Wholesale
Disaggregation of Revenue [Line Items]
Revenues									3,145
Other Businesses | Retail
Disaggregation of Revenue [Line Items]
Revenues									0
Other Businesses | E-commerce
Disaggregation of Revenue [Line Items]
Revenues									$ 0