Impairment Charges (Components of Fair Values In Relation to Their Respective Carrying Values) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) reporting_unit	Dec. 31, 2021 USD ($)	Jun. 30, 2022	Jun. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 1,474.4	$ 1,449.6
Terminal Values Long-term Growth Rate for Debt-Free Cash Flow	3.00%	3.00%
Number of reporting units \| reporting_unit	7
Less than 50%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 107.8	$ 67.5
10-year Compound Annual Growth Rate Range for Sales		7.80%
Terminal Values Long-term Growth Rate for Debt-Free Cash Flow	3.00%	3.00%
Discount Rate Ranges	11.80%	10.00%
50% - 100%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 998.7	$ 101.0
10-year Compound Annual Growth Rate Range for Sales		5.50%
Terminal Values Long-term Growth Rate for Debt-Free Cash Flow	3.00%	3.00%
Discount Rate Ranges	10.30%	9.00%
101% - 300%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 248.3	$ 1,086.9
Terminal Values Long-term Growth Rate for Debt-Free Cash Flow	3.00%	3.00%
Greater than 300%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 119.6	$ 194.2
10-year Compound Annual Growth Rate Range for Sales	8.20%
Terminal Values Long-term Growth Rate for Debt-Free Cash Flow	3.00%	3.00%
Discount Rate Ranges	11.80%	9.00%
Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
10-year Compound Annual Growth Rate Range for Sales	1.40%	2.90%
Discount Rate Ranges	9.80%	8.00%
Minimum \| Less than 50%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
10-year Compound Annual Growth Rate Range for Sales	3.70%
Minimum \| 50% - 100%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value over Carrying Value divided by Carrying Value	50.00%	50.00%
10-year Compound Annual Growth Rate Range for Sales	2.60%
Minimum \| 101% - 300%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value over Carrying Value divided by Carrying Value	101.00%	101.00%
10-year Compound Annual Growth Rate Range for Sales	1.40%	3.10%
Discount Rate Ranges	9.80%	8.00%
Minimum \| Greater than 300%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value over Carrying Value divided by Carrying Value	300.00%	300.00%
10-year Compound Annual Growth Rate Range for Sales		2.90%
Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
10-year Compound Annual Growth Rate Range for Sales	8.50%	10.40%
Discount Rate Ranges	11.80%	10.00%
Maximum \| Less than 50%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value over Carrying Value divided by Carrying Value	50.00%	50.00%
10-year Compound Annual Growth Rate Range for Sales	8.50%
Maximum \| 50% - 100%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value over Carrying Value divided by Carrying Value	100.00%	100.00%
10-year Compound Annual Growth Rate Range for Sales	4.80%
Maximum \| 101% - 300%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value over Carrying Value divided by Carrying Value	300.00%	300.00%
10-year Compound Annual Growth Rate Range for Sales	2.60%	3.30%
Discount Rate Ranges	10.30%	8.50%
Maximum \| Greater than 300%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
10-year Compound Annual Growth Rate Range for Sales		10.40%
Aerospace And Hydraulic Cylinders
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of reporting units \| reporting_unit	2
Aerospace Products
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 66.3	$ 67.5
Fair values of reporting units in excess of carrying amount (as a percent) (at least)			40.00%	28.00%
Hydraulic Cylinders Group
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 41.5
Fair values of reporting units in excess of carrying amount (as a percent) (at least)			32.00%	86.00%
Work Furniture And Bedding
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of reporting units \| reporting_unit	2
Work Furniture
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 98.4	101.0
Fair values of reporting units in excess of carrying amount (as a percent) (at least)			78.00%	85.00%
Bedding
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 900.3	$ 908.3
Fair values of reporting units in excess of carrying amount (as a percent) (at least)			54.00%	171.00%