Basis of Presentation	9 Months Ended
Oct. 28, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited condensed consolidated financial statements of Chico’s FAS, Inc. and its wholly-owned subsidiaries (collectively, the “Company”) have been prepared in accordance with the instructions to Form 10-Q and do not include all of the information and notes required by accounting principles generally accepted in the U.S. (“U.S. GAAP”) for complete financial statements. In the opinion of management, such interim financial statements reflect all normal, recurring adjustments considered necessary to present fairly the condensed consolidated financial position, the results of operations and cash flows for the interim periods presented. All significant intercompany balances and transactions have been eliminated in consolidation. For further information, refer to the consolidated financial statements and notes thereto for the fiscal year ended January 28, 2017, included in the Company’s Annual Report on Form 10-K filed with the Securities and Exchange Commission (“SEC”) on March 7, 2017. As used in this report, all references to “we,” “us,” “our” and “the Company,” refer to Chico’s FAS, Inc. and all of its wholly-owned subsidiaries. Our fiscal years end on the Saturday closest to January 31 and are designated by the calendar year in which the fiscal year commences. Operating results for the thirteen and thirty-nine weeks ended October 28, 2017 are not necessarily indicative of the results that may be expected for the entire year. Adoption of New Accounting Pronouncements In the first quarter of 2017, we adopted the guidance of Accounting Standard Update (“ASU”) 2016-09, Improvements to Employee Share-Based Payment Accounting, which simplifies several aspects of the accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures and statutory tax withholding requirements, as well as classification in the statement of cash flows. The provision of ASU 2016-09 related to the recognition of excess tax benefits and deficiencies in the income statement was adopted on a prospective basis whereas the provision related to the classification in the statement of cash flows was adopted retrospectively, and the prior periods were adjusted accordingly. The Company has elected to continue estimating forfeitures of share-based awards when determining compensation cost to be recognized each period. The adoption of ASU 2016-09 did not have a material impact on the accompanying condensed consolidated financial statements.

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements of Chico’s FAS, Inc. and its wholly-owned subsidiaries (collectively, the “Company”) have been prepared in accordance with the instructions to Form 10-Q and do not include all of the information and notes required by accounting principles generally accepted in the U.S. (“U.S. GAAP”) for complete financial statements. In the opinion of management, such interim financial statements reflect all normal, recurring adjustments considered necessary to present fairly the condensed consolidated financial position, the results of operations and cash flows for the interim periods presented. All significant intercompany balances and transactions have been eliminated in consolidation. For further information, refer to the consolidated financial statements and notes thereto for the fiscal year ended January 28, 2017, included in the Company’s Annual Report on Form 10-K filed with the Securities and Exchange Commission (“SEC”) on March 7, 2017.

As used in this report, all references to “we,” “us,” “our” and “the Company,” refer to Chico’s FAS, Inc. and all of its wholly-owned subsidiaries.

Our fiscal years end on the Saturday closest to January 31 and are designated by the calendar year in which the fiscal year commences. Operating results for the thirteen and thirty-nine weeks ended October 28, 2017 are not necessarily indicative of the results that may be expected for the entire year.

Adoption of New Accounting Pronouncements

In the first quarter of 2017, we adopted the guidance of Accounting Standard Update (“ASU”) 2016-09, Improvements to Employee Share-Based Payment Accounting, which simplifies several aspects of the accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures and statutory tax withholding requirements, as well as classification in the statement of cash flows. The provision of ASU 2016-09 related to the recognition of excess tax benefits and deficiencies in the income statement was adopted on a prospective basis whereas the provision related to the classification in the statement of cash flows was adopted retrospectively, and the prior periods were adjusted accordingly. The Company has elected to continue estimating forfeitures of share-based awards when determining compensation cost to be recognized each period. The adoption of ASU 2016-09 did not have a material impact on the accompanying condensed consolidated financial statements.