Business and Basis of Presentation	12 Months Ended
Mar. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business and Basis of Presentation	Business and Basis of Presentation Business Black Box Corporation ("Black Box," or "the Company”) is a leading digital solutions provider dedicated to helping customers design, build, manage, and secure their IT infrastructure. The Company offers Services and Products that it distributes through two platforms it has built over its 41-year history. The Services platform is comprised of engineering and design, network operations centers, technical certifications, national and international sales teams, remote monitoring, on-site service teams and technology partner centers of excellence which includes dedicated sales and engineering resources. The primary services offered through this platform include: (i) communications lifecycle services, (ii) unified communications, (iii) structured cabling, (iv) video/AV services, (v) in-building wireless and (vi) data center services. The Products platform provides networking solutions through the sale of products including: (i) IT infrastructure, (ii) specialty networking, (iii) multimedia and (iv) keyboard/video/mouse ("KVM") switching. Founded in 1976, Black Box, a Delaware corporation, is headquartered near Pittsburgh in Lawrence, Pennsylvania. Basis of Presentation References herein to "Fiscal Year," "Fiscal," or "FY" mean the Company’s fiscal year ended March 31 for the year referenced. All references to dollar amounts herein are presented in thousands, except per share amounts, unless otherwise noted. The consolidated financial statements include the accounts of the parent company and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation. Certain items in the consolidated financial statements of prior years have been reclassified to conform to the current year’s presentation. These reclassifications had no effect on reported net income (loss), comprehensive income (loss), cash flows, total assets or total stockholders' equity. The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Company management ("Management") to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates in these financial statements include project progress towards completion to estimated budget, allowances for doubtful accounts receivable, sales returns, net realizable value of inventories, loss contingencies, warranty reserves, property, plant and equipment, intangible assets and goodwill. Actual results could differ from those estimates. Management believes the estimates made are reasonable.

Business and Basis of Presentation

Business

Black Box Corporation ("Black Box," or "the Company”) is a leading digital solutions provider dedicated to helping customers design, build, manage, and secure their IT infrastructure. The Company offers Services and Products that it distributes through two platforms it has built over its 41-year history. The Services platform is comprised of engineering and design, network operations centers, technical certifications, national and international sales teams, remote monitoring, on-site service teams and technology partner centers of excellence which includes dedicated sales and engineering resources. The primary services offered through this platform include: (i) communications lifecycle services, (ii) unified communications, (iii) structured cabling, (iv) video/AV services, (v) in-building wireless and (vi) data center services. The Products platform provides networking solutions through the sale of products including: (i) IT infrastructure, (ii) specialty networking, (iii) multimedia and (iv) keyboard/video/mouse ("KVM") switching. Founded in 1976, Black Box, a Delaware corporation, is headquartered near Pittsburgh in Lawrence, Pennsylvania.

Basis of Presentation

References herein to "Fiscal Year," "Fiscal," or "FY" mean the Company’s fiscal year ended March 31 for the year referenced. All references to dollar amounts herein are presented in thousands, except per share amounts, unless otherwise noted.

The consolidated financial statements include the accounts of the parent company and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated in consolidation. Certain items in the consolidated financial statements of prior years have been reclassified to conform to the current year’s presentation. These reclassifications had no effect on reported net income (loss), comprehensive income (loss), cash flows, total assets or total stockholders' equity.

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Company management ("Management") to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates in these financial statements include project progress towards completion to estimated budget, allowances for doubtful accounts receivable, sales returns, net realizable value of inventories, loss contingencies, warranty reserves, property, plant and equipment, intangible assets and goodwill. Actual results could differ from those estimates. Management believes the estimates made are reasonable.