CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Non-controlling Interests [Member]	Total
Cumulative effect of accounting change | ASU 2018-02 [Member]	$ 0.0	$ 0.0	$ 10.9	$ (10.9)	$ 0.0	$ 0.0	$ 0.0
Balance at Dec. 31, 2018	4.9	431.9	1,769.1	(233.7)	(618.7)	31.8	1,385.3
Net income	0.0	0.0	39.1	0.0	0.0	0.9	40.0
Other comprehensive income (loss)	0.0	0.0	0.0	1.9	0.0	0.5	2.4
Dividends declared	0.0	0.0	(1.7)	0.0	0.0	0.0	(1.7)
Dividends paid to non-controlling interests	0.0	0.0	0.0	0.0	0.0	(0.1)	(0.1)
Capital contribution from non-controlling interests	0.0	0.0	0.0	0.0	0.0	0.8	0.8
Issuance of shares pursuant to employee stock compensation plans	0.0	0.1	0.0	0.0	0.0	0.0	0.1
Stock-based compensation	0.0	0.6	0.0	0.0	0.0	0.0	0.6
Balance at Mar. 31, 2019	4.9	432.6	1,817.4	(242.7)	(618.7)	33.9	1,427.4
Balance at Dec. 31, 2019	4.9	442.2	1,905.7	(290.4)	(659.7)	31.9	1,434.6	[1]
Net income	0.0	0.0	38.6	0.0	0.0	1.0	39.6
Other comprehensive income (loss)	0.0	0.0	0.0	(37.8)	0.0	(1.4)	(39.2)
Dividends declared	0.0	0.0	(1.7)	0.0	0.0	0.0	(1.7)
Capital contribution from non-controlling interests	0.0	0.0	0.0	0.0	0.0	0.7	0.7
Issuance of shares pursuant to employee stock compensation plans	0.0	0.5	0.0	0.0	0.0	0.0	0.5
Purchase of common stock for treasury	0.0	0.0	0.0	0.0	(22.6)	0.0	(22.6)
Stock-based compensation	0.0	0.1	0.0	0.0	0.0	0.0	0.1
Balance at Mar. 29, 2020	$ 4.9	$ 442.8	$ 1,942.6	$ (328.2)	$ (682.3)	$ 32.2	$ 1,412.0	[2]

[1] Condensed from audited financial statements

[2] Unaudited