The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Repayments of Long-term Debt, Face Amount of Repurchase

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Repayments of Long-term Debt, Repurchase Amount

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Subsequent Events Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		1 Months Ended	3 Months Ended	6 Months Ended
	Feb. 01, 2018	Feb. 07, 2018	Dec. 30, 2017	Dec. 30, 2017
Subsequent Event
Subsequent Event [Line Items]
Shares repurchased (in shares)		1.1
Shares repurchased, price per share (in dollars per share)		$ 8.78
Convertible Notes \| 2033 Notes
Subsequent Event [Line Items]
Principal amount of debt repurchased			$ 12.5	$ 159.0
Cash paid for repurchase of debt			$ 13.0	$ 175.0
Convertible Notes \| 2033 Notes \| Subsequent Event
Subsequent Event [Line Items]
Principal amount of debt repurchased		$ 22.5
Cash paid for repurchase of debt		$ 23.1
Cobham [Member] \| Subsequent Event
Subsequent Event [Line Items]
Cash consideration	$ 455.0