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Employee Pension and Other Benefit Plans (Details 3) £ in Millions, $ in Millions	12 Months Ended
	Jul. 02, 2016 USD ($)	Jul. 02, 2016 GBP (£)	Jun. 27, 2015 USD ($)	Jun. 27, 2015 GBP (£)	Jun. 28, 2014 USD ($)
Asset category
Total (as a percent)	100.00%		100.00%
Minimum maturity period for investment in index-linked Gilts	5 years	5 years
Pension Benefit Plans
Employee Benefit Plans
Employer contributions	$ 4.6		$ 5.0
Asset category
Fair value of total plan assets	27.2		30.2		$ 30.5
Future Benefit Payments
2017	6.6
2018	5.9
2019	6.0
2020	5.6
2021	5.8
2022-2026	31.6
Thereafter	45.9
Total	107.4
Foreign Pension Plan | U.K.
Employee Benefit Plans
Employer contributions	$ 0.7	£ 0.5	$ 1.1	£ 0.7
Global equity
Asset category
Target allocation (as a percent)	40.00%	40.00%	40.00%	40.00%
Fair value of total plan assets	$ 10.5		$ 12.3
Total (as a percent)	38.60%		40.70%
Fixed income
Asset category
Target allocation (as a percent)	40.00%	40.00%	40.00%	40.00%
Fair value of total plan assets	$ 10.7		$ 11.7
Total (as a percent)	39.30%		38.70%
Other
Asset category
Target allocation (as a percent)	20.00%	20.00%	20.00%	20.00%
Fair value of total plan assets	$ 5.4		$ 5.9
Total (as a percent)	19.90%		19.50%
Cash
Asset category
Fair value of total plan assets	$ 0.6		$ 0.3
Total (as a percent)	2.20%		1.00%
Quoted Prices in Active Markets for Identical Assets (Level 1)
Asset category
Fair value of total plan assets	$ 0.6		$ 0.3
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash
Asset category
Fair value of total plan assets	0.6		0.3
Significant Other Observable Inputs (Level 2)
Asset category
Fair value of total plan assets	26.6		29.9
Significant Other Observable Inputs (Level 2) | Global equity
Asset category
Fair value of total plan assets	10.5		12.3
Significant Other Observable Inputs (Level 2) | Fixed income
Asset category
Fair value of total plan assets	10.7		11.7
Significant Other Observable Inputs (Level 2) | Other
Asset category
Fair value of total plan assets	$ 5.4		$ 5.9

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Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.

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Target allocation of investments of this type to total plan assets presented on a weighted average basis.

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Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

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Total amount of the benefits expected to be paid.

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Amount of benefits from a defined benefit plan expected to be paid from the sixth fiscal year to tenth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Represents the minimum maturity period for fixed income plan assets invested in indexed-linked gilts.

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