Related Party Transactions	12 Months Ended
Dec. 29, 2013
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	Related Party Transactions Mark Vadon, the Company's founder, owns a significant number of shares of zulily, Inc., (“zulily”). zulily is an online store offering daily sales of top quality apparel, gear and other products for moms, babies and kids. In addition, Michael Potter and Eric Carlborg, directors of Blue Nile, Inc., are members of zulily’s board of directors and have an ownership interest in zulily. The Company did not sell any products to zulily during the fiscal year ended December 29, 2013. The Company sold products to zulily of approximately $9,800 and $65,000 in fiscal years ended December 30, 2012, and January 1, 2012, respectively. At December 30, 2012, the Company had receivables due from zulily of approximately $9,800 recorded in other accounts receivable in the consolidated balance sheet. As set forth in Note 1, the Company has a minority ownership in two privately-held companies. The Company sold products to one entity for approximately $1.8 million for fiscal year ended December 29, 2013, $1.2 million for fiscal year ended December 30, 2012, and $1.0 million for fiscal year ended January 1, 2012 respectively. The Company had receivables due from this entity of approximately $0.8 million at December 29, 2013 and $0.2 million at December 30, 2012 recorded in trade accounts receivable in the consolidated balance sheets. The Company sold products to the other entity for approximately $0.1 million for the fiscal year ended December 29, 2013. The Company did not have any receivables due from this entity as of December 29, 2013.

Related Party Transactions

12 Months Ended

Dec. 29, 2013

Related Party Transactions

Mark Vadon, the Company's founder, owns a significant number of shares of zulily, Inc., (“zulily”). zulily is an online store offering daily sales of top quality apparel, gear and other products for moms, babies and kids. In addition, Michael Potter and Eric Carlborg, directors of Blue Nile, Inc., are members of zulily’s board of directors and have an ownership interest in zulily.

The Company did not sell any products to zulily during the fiscal year ended December 29, 2013. The Company sold products to zulily of approximately $9,800 and $65,000 in fiscal years ended December 30, 2012, and January 1, 2012, respectively. At December 30, 2012, the Company had receivables due from zulily of approximately $9,800 recorded in other accounts receivable in the consolidated balance sheet.

As set forth in Note 1, the Company has a minority ownership in two privately-held companies. The Company sold products to one entity for approximately $1.8 million for fiscal year ended December 29, 2013, $1.2 million for fiscal year ended December 30, 2012, and $1.0 million for fiscal year ended January 1, 2012 respectively. The Company had receivables due from this entity of approximately $0.8 million at December 29, 2013 and $0.2 million at December 30, 2012 recorded in trade accounts receivable in the consolidated balance sheets. The Company sold products to the other entity for approximately $0.1 million for the fiscal year ended December 29, 2013. The Company did not have any receivables due from this entity as of December 29, 2013.