CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019		Jul. 01, 2018
Operating Activities:
Consolidated net income	$ 67.6		$ 86.3
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	48.9		44.5
Amortization of right of use asset	6.6		0.0
Asset impairment charges	7.5		0.0
Other non-cash items	4.5		(2.0)
Pension plan funding	(3.1)		(12.3)
Net changes in operating assets and liabilities	(33.7)		(36.3)
Net cash provided by operating activities	98.3		80.2
Investing Activities:
Purchases of property, plant and equipment, net	(35.5)		(42.1)
Acquisition of business, net of cash acquired	0.0		(124.1)
Proceeds from sale of short-term investments	3.4		1.8
Purchases of short-term investments	(4.7)		(2.5)
Other investing activities	(0.8)		0.0
Net cash used in investing activities	(37.6)		(166.9)
Financing Activities:
Debt issuance costs	0.0		(1.4)
Repayment of long-term debt	(36.6)		(6.6)
Proceeds from issuance of short-term debt	0.0		113.0
Repayment of short-term debt	(1.1)		(1.1)
Purchase of common stock for treasury	(10.0)		(13.3)
Proceeds from issuance of stock under option plan	0.4		1.9
Excess tax benefits related to stock incentive programs	(1.9)		(3.2)
Dividends paid to non-controlling interests	(3.9)		(0.2)
Capital contribution from non-controlling interests	0.6		0.0
Cash dividends paid	(3.5)		(3.5)
Net cash used in financing activities	(56.0)		85.6
Effect of exchange rate changes on cash and cash equivalents	1.0		(8.1)
Net increase (decrease) in cash and cash equivalents	5.7		(9.2)
Cash and cash equivalents at beginning of period	208.8	[1]	212.2
Cash and cash equivalents at end of period	214.5	[2]	203.0
Supplemental disclosure of cash flow information:
Interest paid	21.9		22.1
Income taxes paid	13.7		20.9
Non-cash financing activities:
Treasury stock purchases settled after period end	$ 0.0		$ 0.3

[1] Condensed from audited financial statements

[2] Unaudited