Accumulated Other Comprehensive Loss - Schedule of Changes in the Components of AOCI (Details) - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2019	Apr. 01, 2019
Changes in the components of AOCI
Other comprehensive income (loss) before reclassifications	$ (0.5)
Amounts reclassified from accumulated other comprehensive income (loss)	0.2
Net other comprehensive loss	(0.3)
Accumulated Other Comprehensive Income
Changes in the components of AOCI
Beginning balance	(20.7)
Impact of change in accounting principle		$ (1.3)
Adjusted balance		(22.0)
Ending balance	(22.3)
Unrealized holding gains (losses) available-for-sale debt securities
Changes in the components of AOCI
Beginning balance	0.2
Impact of change in accounting principle		(0.2)
Adjusted balance		0.0
Other comprehensive income (loss) before reclassifications	0.0
Amounts reclassified from accumulated other comprehensive income (loss)	0.0
Net other comprehensive loss	0.0
Ending balance	0.0
Minimum Pension Liability
Changes in the components of AOCI
Beginning balance	(6.2)
Impact of change in accounting principle		(1.1)
Adjusted balance		(7.3)
Other comprehensive income (loss) before reclassifications	(0.8)
Amounts reclassified from accumulated other comprehensive income (loss)	0.2
Net other comprehensive loss	(0.6)
Ending balance	(7.9)
Foreign Currency
Changes in the components of AOCI
Beginning balance	(14.7)
Impact of change in accounting principle		0.0
Adjusted balance		$ (14.7)
Other comprehensive income (loss) before reclassifications	0.3
Amounts reclassified from accumulated other comprehensive income (loss)	0.0
Net other comprehensive loss	0.3
Ending balance	$ (14.4)

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Amount of stockholders' equity including the portion attributable to noncontrolling interests, after the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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