Accrued Insurance Claims	3 Months Ended
Oct. 28, 2017
Accrued Insurance Claims [Abstract]
Accrued Insurance Claims	Accrued Insurance Claims For claims within its insurance program, the Company retains the risk of loss, up to certain limits, for matters related to automobile liability, general liability (including damages associated with underground facility locating services), workers’ compensation, and employee group health. With regard to losses occurring in the twelve month policy period ending July 31, 2018, the Company retains the risk of loss up to $1.0 million on a per occurrence basis for automobile liability, general liability, and workers’ compensation. These retention amounts are applicable to all of the states in which the Company operates, except with respect to workers’ compensation insurance in two states in which the Company participates in state-sponsored insurance funds. Aggregate stop-loss coverage for automobile liability, general liability, and workers’ compensation claims is $67.1 million for the twelve month policy period ending July 31, 2018. The Company is party to a stop-loss agreement for losses under its employee group health plan. For calendar year 2017, the Company retains the risk of loss, on an annual basis, up to the first $400,000 of claims per participant as well as an annual aggregate amount. The liability for total accrued insurance claims and related processing costs was $109.2 million and $101.9 million as of October 28, 2017 and July 29, 2017, respectively, of which $60.8 million and $62.0 million, respectively, was long-term and reflected in non-current liabilities in the condensed consolidated balance sheets. Insurance recoveries/receivables related to accrued claims as of October 28, 2017 and July 29, 2017 were $14.1 million and $9.2 million, respectively, which were included in non-current other assets in the condensed consolidated balance sheets.

Accrued Insurance Claims

For claims within its insurance program, the Company retains the risk of loss, up to certain limits, for matters related to automobile liability, general liability (including damages associated with underground facility locating services), workers’ compensation, and employee group health. With regard to losses occurring in the twelve month policy period ending July 31, 2018, the Company retains the risk of loss up to $1.0 million on a per occurrence basis for automobile liability, general liability, and workers’ compensation. These retention amounts are applicable to all of the states in which the Company operates, except with respect to workers’ compensation insurance in two states in which the Company participates in state-sponsored insurance funds. Aggregate stop-loss coverage for automobile liability, general liability, and workers’ compensation claims is $67.1 million for the twelve month policy period ending July 31, 2018.

The Company is party to a stop-loss agreement for losses under its employee group health plan. For calendar year 2017, the Company retains the risk of loss, on an annual basis, up to the first $400,000 of claims per participant as well as an annual aggregate amount.

The liability for total accrued insurance claims and related processing costs was $109.2 million and $101.9 million as of October 28, 2017 and July 29, 2017, respectively, of which $60.8 million and $62.0 million, respectively, was long-term and reflected in non-current liabilities in the condensed consolidated balance sheets. Insurance recoveries/receivables related to accrued claims as of October 28, 2017 and July 29, 2017 were $14.1 million and $9.2 million, respectively, which were included in non-current other assets in the condensed consolidated balance sheets.