Income Taxes	6 Months Ended
Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES Uncertain Tax Positions As of December 31, 2016, the gross amount of unrecognized tax benefit and related accrued interest was $20.8 million and $12.7 million, respectively. It is reasonably possible that the amount of the unrecognized tax benefit with respect to certain of the company’s unrecognized tax positions will increase or decrease in the next twelve months, either because Sysco prevails on positions challenged upon audit or because the company agrees to the disallowance. Items that may cause changes to unrecognized tax benefits primarily include the consideration of various filing requirements in numerous states and the allocation of income and expense between tax jurisdictions. At this time, an estimate of the range of the reasonably possible change cannot be made. Effective Tax Rate Sysco’s effective tax rate is reflective of the jurisdictions where the company has operations. Indefinitely reinvested earnings taxed at foreign statutory rates less than our domestic tax rate have the impact of reducing the effective tax rates. The effective tax rate for each of the second quarter of fiscal 2017 of 34.87% and the first 26 weeks of fiscal 2017 of 35.09% was favorably impacted by an increase in earnings in foreign jurisdictions due to the Acquisition of Brakes Group. The effective tax rate for each of the second quarter of fiscal 2016 of 30.71% and the first 26 weeks of fiscal 2016 of 33.31% was favorably impacted by the resolution of a tax contingency in the second quarter of fiscal 2016. The effective tax rate for the first 26 weeks of fiscal 2017 of 35.09% was favorably impacted primarily due to an increase in earnings in foreign jurisdictions due to the Acquisition of the Brakes Group, which contributed to a lower effective tax rate in the first 26 weeks of fiscal 2017. The effective tax rate for the first 26 weeks of fiscal 2016 of 33.31% was favorably impacted by the resolution of a tax contingency in the second quarter of fiscal 2016. The tax benefit from the contingency resolution experienced in the fiscal 2016 periods totaled $20.8 million. Other The determination of the company’s provision for income taxes requires judgment, the use of estimates and the interpretation and application of complex tax laws. The company’s provision for income taxes reflects a combination of income earned and taxed in the various U.S. federal and state, as well as foreign, jurisdictions. Jurisdictional tax law changes, increases or decreases in permanent differences between book and tax items, accruals or adjustments of accruals for unrecognized tax benefits or valuation allowances, and the company’s change in the mix of earnings from these taxing jurisdictions all affect the overall effective tax rate.

INCOME TAXES

Uncertain Tax Positions

As of December 31, 2016, the gross amount of unrecognized tax benefit and related accrued interest was $20.8 million and $12.7 million, respectively. It is reasonably possible that the amount of the unrecognized tax benefit with respect to certain of the company’s unrecognized tax positions will increase or decrease in the next twelve months, either because Sysco prevails on positions challenged upon audit or because the company agrees to the disallowance. Items that may cause changes to unrecognized tax benefits primarily include the consideration of various filing requirements in numerous states and the allocation of income and expense between tax jurisdictions. At this time, an estimate of the range of the reasonably possible change cannot be made.

Effective Tax Rate

Sysco’s effective tax rate is reflective of the jurisdictions where the company has operations. Indefinitely reinvested earnings taxed at foreign statutory rates less than our domestic tax rate have the impact of reducing the effective tax rates. The effective tax rate for each of the second quarter of fiscal 2017 of 34.87% and the first 26 weeks of fiscal 2017 of 35.09% was favorably impacted by an increase in earnings in foreign jurisdictions due to the Acquisition of Brakes Group. The effective tax rate for each of the second quarter of fiscal 2016 of 30.71% and the first 26 weeks of fiscal 2016 of 33.31% was favorably impacted by the resolution of a tax contingency in the second quarter of fiscal 2016. The effective tax rate for the first 26 weeks of fiscal 2017 of 35.09% was favorably impacted primarily due to an increase in earnings in foreign jurisdictions due to the Acquisition of the Brakes Group, which contributed to a lower effective tax rate in the first 26 weeks of fiscal 2017. The effective tax rate for the first 26 weeks of fiscal 2016 of 33.31% was favorably impacted by the resolution of a tax contingency in the second quarter of fiscal 2016. The tax benefit from the contingency resolution experienced in the fiscal 2016 periods totaled $20.8 million.

Other

The determination of the company’s provision for income taxes requires judgment, the use of estimates and the interpretation and application of complex tax laws. The company’s provision for income taxes reflects a combination of income earned and taxed in the various U.S. federal and state, as well as foreign, jurisdictions. Jurisdictional tax law changes, increases or decreases in permanent differences between book and tax items, accruals or adjustments of accruals for unrecognized tax benefits or valuation allowances, and the company’s change in the mix of earnings from these taxing jurisdictions all affect the overall effective tax rate.