Other Comprehensive (Loss) Income - Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accounting Standards Update [Extensible List]														us-gaap:AccountingStandardsUpdate201802Member
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period				$ 183,710									$ 183,710
Total other comprehensive income (loss), net of tax	$ 537	$ 3,524	$ (2,217)	280	$ (2,967)	$ (4,778)	$ 1,747	$ (6,441)	$ 6,030	$ 1,776	$ 2,879	$ 3,639	2,157	$ (12,900)	$ 14,324
Balance at end of period	(78,000)				183,710								(78,000)	183,710
Accumulated Other Comprehensive Loss | Previously Reported
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period				(61,342)				(45,262)				(60,047)	(61,342)	(45,262)	(60,047)
Other comprehensive income (loss) before reclassifications													(3,541)	(9,665)	8,590
Amounts reclassified to net income (loss), net of tax													5,751	(3,484)	6,195
Total other comprehensive income (loss), net of tax													2,210	(16,080)	14,785
Balance at end of period	(59,132)				(61,342)				(45,262)				(59,132)	(61,342)	(45,262)
Accumulated Other Comprehensive Loss | Adjustment | Previously Reported
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period								(2,931)						(2,931)
Balance at end of period									(2,931)						(2,931)
Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total other comprehensive income (loss), net of tax	3	1,789	(1,925)	(430)	(1,656)	(1,787)	(257)	(5,136)	2,794	726	2,349	3,742
Currency Translation Adjustment | Previously Reported
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period				(21,979)				(12,682)				(22,293)	(21,979)	(12,682)	(22,293)
Other comprehensive income (loss) before reclassifications													(530)	(9,297)	9,611
Amounts reclassified to net income (loss), net of tax													0	0	0
Total other comprehensive income (loss), net of tax													(530)	(9,297)	9,611
Balance at end of period	(22,509)				(21,979)				(12,682)				(22,509)	(21,979)	(12,682)
Currency Translation Adjustment | Adjustment | Previously Reported
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period								0						0
Balance at end of period									0						0
Pensions, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified to net income (loss), net of tax													(2,420)	5,383	(6,195)
Total other comprehensive income (loss), net of tax	(126)	1,111	(1,701)	311	(1,700)	(877)	973	366	2,698	458	459	459
Pensions, Net of Tax | Previously Reported
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period				(36,749)				(32,580)				(36,654)	(36,749)	(32,580)	(36,654)
Other comprehensive income (loss) before reclassifications													(2,825)	4,145	(2,121)
Amounts reclassified to net income (loss), net of tax													2,420	(5,383)	6,195
Total other comprehensive income (loss), net of tax													(405)	(4,169)	4,074
Balance at end of period	(37,154)				(36,749)				(32,580)				(37,154)	(36,749)	(32,580)
Pensions, Net of Tax | Adjustment | Previously Reported
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period								(2,931)						(2,931)
Balance at end of period									(2,931)						(2,931)
Derivatives, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified to net income (loss), net of tax													(3,331)	(1,500)	(1,436)
Total other comprehensive income (loss), net of tax	772	$ 576	$ 1,428	369	(307)	$ (1,591)	$ 780	(1,496)	999	$ 592	$ 71	(562)
Derivatives, Net of Tax | Previously Reported
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period				$ (2,614)				0				$ (1,100)	(2,614)	0	(1,100)
Other comprehensive income (loss) before reclassifications													(186)	(4,513)	1,100
Amounts reclassified to net income (loss), net of tax													3,331	1,899	0
Total other comprehensive income (loss), net of tax													3,145	(2,614)	1,100
Balance at end of period	$ 531				$ (2,614)				0				$ 531	(2,614)	0
Derivatives, Net of Tax | Adjustment | Previously Reported
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period								$ 0						$ 0
Balance at end of period									$ 0						$ 0