Derivatives and Hedging Financial Statement Impact of Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Apr. 30, 2019	Apr. 30, 2019
Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (Loss) recognized in Other Comprehensive Income, net of tax	$ (4,027)	$ (4,027)
Foreign currency forward contracts \| Designated as Hedging Instrument
Gain Loss on Derivatives Not Designated as Hedging Instruments [Abstract]
Amount of gain (loss) recognized in income	(263)	(263)
Interest rate swap agreements \| Designated as Hedging Instrument
Gain Loss on Derivatives Not Designated as Hedging Instruments [Abstract]
Amount of gain (loss) recognized in income	(3,764)	(3,764)
Cost of Sales \| Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (Loss) recognized in Other Comprehensive Income, net of tax	(351)	(351)
Cost of Sales \| Foreign currency forward contracts \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) reclassified from AOCI	(191)	(191)
Cost of Sales \| Foreign currency forward contracts \| Designated as Hedging Instrument
Gain Loss on Derivatives Not Designated as Hedging Instruments [Abstract]
Amount of gain (loss) recognized in income	(160)	(160)
Cost of Sales \| Interest rate swap agreements \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) reclassified from AOCI	0	0
Cost of Sales \| Interest rate swap agreements \| Designated as Hedging Instrument
Gain Loss on Derivatives Not Designated as Hedging Instruments [Abstract]
Amount of gain (loss) recognized in income	0	0
Acquisition Related Costs \| Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (Loss) recognized in Other Comprehensive Income, net of tax	2,930	(70,777)
Acquisition Related Costs \| Foreign currency forward contracts \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) reclassified from AOCI	0	0
Acquisition Related Costs \| Foreign currency forward contracts \| Designated as Hedging Instrument
Gain Loss on Derivatives Not Designated as Hedging Instruments [Abstract]
Amount of gain (loss) recognized in income	2,930	(70,777)
Acquisition Related Costs \| Interest rate swap agreements \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) reclassified from AOCI	0	0
Acquisition Related Costs \| Interest rate swap agreements \| Designated as Hedging Instrument
Gain Loss on Derivatives Not Designated as Hedging Instruments [Abstract]
Amount of gain (loss) recognized in income	0	0
Interest Expense \| Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (Loss) recognized in Other Comprehensive Income, net of tax	77	77
Interest Expense \| Foreign currency forward contracts \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) reclassified from AOCI	0	0
Interest Expense \| Foreign currency forward contracts \| Designated as Hedging Instrument
Gain Loss on Derivatives Not Designated as Hedging Instruments [Abstract]
Amount of gain (loss) recognized in income	0	0
Interest Expense \| Interest rate swap agreements \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Gain (loss) reclassified from AOCI	(55)	(55)
Interest Expense \| Interest rate swap agreements \| Designated as Hedging Instrument
Gain Loss on Derivatives Not Designated as Hedging Instruments [Abstract]
Amount of gain (loss) recognized in income	$ 132	$ 132

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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