Acquisitions	9 Months Ended
Apr. 25, 2015
Business Combinations [Abstract]
Acquisitions	Acquisitions Fiscal 2015 - During the first quarter of fiscal 2015, the Company acquired Hewitt Power & Communications, Inc. ("Hewitt") for $8.0 million, net of cash acquired. Hewitt provides specialty contracting services primarily for telecommunications providers in the Southeastern United States. The preliminary purchase price allocation of Hewitt includes working capital items, property and equipment, and $5.9 million of customer relationship intangible assets. The Company also acquired the assets of two cable installation contractors for an aggregate purchase price of $1.5 million during the second quarter of fiscal 2015. Fiscal 2014 - During the third quarter of fiscal 2014, the Company acquired a telecommunications specialty construction contractor in Canada for $0.7 million. The Company also acquired Watts Brothers Cable Construction, Inc. ("Watts Brothers") for $16.4 million during the fourth quarter of fiscal 2014. Watts Brothers provides specialty contracting services primarily for telecommunications providers in the Midwest and Southeastern United States. The purchase price allocation included $2.6 million of working capital items, $3.7 million of property and equipment, $8.5 million of customer relationship intangible assets and $1.6 million of goodwill. The results of these acquisitions are included in the consolidated financial statements from their respective closing dates. None of these acquisitions were considered material, individually or in the aggregate, to the Company's condensed consolidated financial statements. As a result, no pro forma information has been provided. Purchase price allocations of businesses acquired during fiscal 2015 are preliminary and will be completed during fiscal 2015 when the valuations are finalized for intangible assets and other amounts.

Acquisitions

9 Months Ended

Apr. 25, 2015

Fiscal 2015 - During the first quarter of fiscal 2015, the Company acquired Hewitt Power & Communications, Inc. ("Hewitt") for $8.0 million, net of cash acquired. Hewitt provides specialty contracting services primarily for telecommunications providers in the Southeastern United States. The preliminary purchase price allocation of Hewitt includes working capital items, property and equipment, and $5.9 million of customer relationship intangible assets. The Company also acquired the assets of two cable installation contractors for an aggregate purchase price of $1.5 million during the second quarter of fiscal 2015.

Fiscal 2014 - During the third quarter of fiscal 2014, the Company acquired a telecommunications specialty construction contractor in Canada for $0.7 million. The Company also acquired Watts Brothers Cable Construction, Inc. ("Watts Brothers") for $16.4 million during the fourth quarter of fiscal 2014. Watts Brothers provides specialty contracting services primarily for telecommunications providers in the Midwest and Southeastern United States. The purchase price allocation included $2.6 million of working capital items, $3.7 million of property and equipment, $8.5 million of customer relationship intangible assets and $1.6 million of goodwill.

The results of these acquisitions are included in the consolidated financial statements from their respective closing dates. None of these acquisitions were considered material, individually or in the aggregate, to the Company's condensed consolidated financial statements. As a result, no pro forma information has been provided.

Purchase price allocations of businesses acquired during fiscal 2015 are preliminary and will be completed during fiscal 2015 when the valuations are finalized for intangible assets and other amounts.