Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Aug. 31, 2017

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following tables summarize the activity in Accumulated other comprehensive income (loss), net of tax, by component for the periods indicated:

	Three months ended August 31, 2017
	Foreign currency translation adjustments			Retirement benefit plans			Total
Beginning balance	$	(45.3	)	$	(48.9	)	$	(94.2	)
Other comprehensive income (loss) before reclassifications	3.7			—			3.7
Less: amount reclassified from Accumulated other     comprehensive income (loss)	—			0.5			0.5
Other comprehensive income (loss)	3.7			0.5			4.2
Ending balance	$	(41.6	)	$	(48.4	)	$	(90.0	)

	Three months ended August 31, 2016
	Foreign currency translation adjustments			Retirement benefit plans			Total
Beginning balance	$	(40.0	)	$	(46.7	)	$	(86.7	)
Other comprehensive income (loss) before reclassifications	(1.9		)	—			(1.9		)
Less: amount reclassified from Accumulated other comprehensive income (loss)	—			0.7			0.7
Other comprehensive income (loss)	(1.9		)	0.7			(1.2		)
Ending balance	$	(41.9	)	$	(46.0	)	$	(87.9	)

Reclassification out of Accumulated Other Comprehensive Income

The following table presents the impact on earnings of reclassifications out of Accumulated other comprehensive income (loss) for the periods indicated:

	Three months ended						Affected line items in the condensed consolidated statements of operations
	August 31,			August 31,
	2017			2016
Employee benefit plans:
Amortization of unrecognized gain (loss)    included in net periodic benefit (cost)	$	0.6		$	1.0		Other components of net periodic benefit (cost)
Less: Tax effect	(0.1		)	(0.3		)	Income tax expense (benefit)
Total expense, net of tax	$	0.5		$	0.7