Segment and Geographic Information (Details) $ in Millions		3 Months Ended								12 Months Ended
		Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2016 USD ($) Segment	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | Segment										4
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Gross profit		$ 62.2	$ 58.6	$ 45.7	$ 57.0	$ 62.7	$ 59.4	$ 56.7	$ 67.7	$ 223.5	$ 246.5	$ 238.2
Gross profit (% of sales)										16.50%	16.50%	16.10%
Operating (loss) income										$ (7.5)	$ 52.7	$ 37.2
Total assets		920.9				930.9				920.9	930.9
Pension settlement loss		(1.8)	$ (1.1)	$ (39.2)
Segment Reporting Information, Additional Information [Abstract]
Total capital expenditures										62.8	58.3	53.1
Total depreciation and amortization expense										50.2	51.6	58.1
Total property, plant and equipment		338.6				322.1				338.6	322.1
Net sales										1,352.5	1,496.4	1,477.6
Revenue from External Customer [Line Items]
Net sales										1,352.5	1,496.4	1,477.6
Pension [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Pension settlement loss										(42.1)
Selling, General and Administrative Expenses [Member] | Pension [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Pension settlement loss										(33.3)
Cost of Sales [Member] | Pension [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Pension settlement loss										(8.8)
Building HVAC [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Amount of insurance-related assets for the rebuild of the facility damaged						48.0					48.0
Commercial Vehicle [Member]
Revenue from External Customer [Line Items]
Net sales										459.8	512.5	477.0
Automotive [Member]
Revenue from External Customer [Line Items]
Net sales										396.8	401.8	395.6
Off-Highway [Member]
Revenue from External Customer [Line Items]
Net sales										206.2	274.6	320.8
Building HVAC [Member]
Revenue from External Customer [Line Items]
Net sales										181.4	186.3	146.5
Other [Member]
Revenue from External Customer [Line Items]
Net sales										108.3	121.2	137.7
Operating Segments [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Gross profit										$ 234.6	$ 245.2	$ 237.4
Gross profit (% of sales)										17.10%	16.20%	15.90%
Operating (loss) income										$ 64.2	$ 78.5	$ 65.3
Segment Reporting Information, Additional Information [Abstract]
Net sales										1,370.0	1,512.6	1,490.7
Operating Segments [Member] | Americas [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Gross profit										$ 100.1	$ 109.1	$ 114.3
Gross profit (% of sales)										17.10%	16.30%	16.60%
Total assets		267.2				277.7				$ 267.2	$ 277.7
Segment Reporting Information, Additional Information [Abstract]
Total capital expenditures										26.7	30.2	$ 24.6
Total depreciation and amortization expense										22.1	21.3	22.6
Net sales										585.5	666.9	688.3
Operating Segments [Member] | North America [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Operating (loss) income										36.2	33.4	49.6
Operating Segments [Member] | Europe [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Gross profit										$ 68.1	$ 68.7	$ 70.8
Gross profit (% of sales)										13.00%	11.90%	12.10%
Operating (loss) income										$ 13.3	$ 25.7	$ 9.6
Total assets		301.9				282.7				301.9	282.7
Segment Reporting Information, Additional Information [Abstract]
Total capital expenditures										24.8	21.5	22.9
Total depreciation and amortization expense										18.0	19.8	26.6
Net sales										524.1	578.2	584.4
Operating Segments [Member] | Asia [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Gross profit										$ 12.2	$ 11.5	$ 8.9
Gross profit (% of sales)										15.50%	14.20%	12.50%
Operating (loss) income										$ 0.8	$ 0.3	$ (3.3)
Total assets		104.0				92.2				104.0	92.2
Segment Reporting Information, Additional Information [Abstract]
Total capital expenditures										6.2	3.8	4.6
Total depreciation and amortization expense										6.5	7.2	6.7
Net sales										79.0	81.2	71.5
Operating Segments [Member] | Building HVAC [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Gross profit										$ 54.2	$ 55.9	$ 43.4
Gross profit (% of sales)										29.90%	30.00%	29.60%
Operating (loss) income										$ 13.9	$ 19.1	$ 9.4
Total assets	[1]	99.0				131.3				99.0	131.3
Segment Reporting Information, Additional Information [Abstract]
Total capital expenditures										5.1	2.8	1.0
Total depreciation and amortization expense										3.6	3.3	2.2
Net sales										181.4	186.3	146.5
Corporate and Eliminations [Member]
Net sales, gross profit, operating (loss) income and total assets by segment [Abstract]
Gross profit	[2]									$ (11.1)	$ 1.3	$ 0.8
Gross profit (% of sales)	[2]									0.00%	0.00%	0.00%
Operating (loss) income	[2]									$ (71.7)	$ (25.8)	$ (28.1)
Total assets		148.8				147.0				148.8	147.0
Segment Reporting Information, Additional Information [Abstract]
Net sales										(17.5)	(16.2)	(13.1)
Reportable Geographical Components [Member] | United States [Member]
Segment Reporting Information, Additional Information [Abstract]
Total property, plant and equipment		92.5				92.7				92.5	92.7
Net sales										627.6	669.3	645.7
Reportable Geographical Components [Member] | Germany [Member]
Segment Reporting Information, Additional Information [Abstract]
Total property, plant and equipment		32.1				47.2				32.1	47.2
Net sales										155.3	193.8	229.5
Reportable Geographical Components [Member] | Hungary [Member]
Segment Reporting Information, Additional Information [Abstract]
Total property, plant and equipment		31.4				28.9				31.4	28.9
Net sales										145.9	161.0	150.3
Reportable Geographical Components [Member] | Austria [Member]
Segment Reporting Information, Additional Information [Abstract]
Total property, plant and equipment		44.2				41.5				44.2	41.5
Net sales										113.1	118.7	109.8
Reportable Geographical Components [Member] | China [Member]
Segment Reporting Information, Additional Information [Abstract]
Total property, plant and equipment		33.6				31.8				33.6	31.8
Reportable Geographical Components [Member] | Other [Member]
Segment Reporting Information, Additional Information [Abstract]
Total property, plant and equipment		$ 104.8				$ 80.0				104.8	80.0
Net sales										$ 310.6	$ 353.6	$ 342.3

[1] As of March 31, 2015, total assets within the Building HVAC segment included $48.0 million of insurance-related assets for the rebuild of the facility damaged by the Airedale fire. See Note 2 for additional information.

[2] During fiscal 2016, the Company recorded pension settlement losses of $42.1 million at Corporate, within SG&A expenses ($33.3 million) and cost of sales ($8.8 million). See Note 17 for additional information.