CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2021	Apr. 04, 2020
Cash Flows from Operating Activities:
Consolidated net income	$ 225.8	$ 83.6
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation and amortization	140.8	130.5
Net change in recoverable customer engineering, development and tooling	(24.1)	(45.5)
Net change in working capital items (see below)	(102.4)	(23.2)
Loss on extinguishment of debt	0.0	21.1
Other, net	7.4	55.8
Net cash provided by operating activities	247.5	222.3
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(112.9)	(109.1)
Other, net	(30.0)	19.0
Net cash used in investing activities	(142.9)	(90.1)
Cash Flows from Financing Activities:
Revolving credit facility borrowings	0.0	1,000.0
Proceeds from the issuance of senior notes	0.0	669.1
Redemption of senior notes	0.0	(667.1)
Term loan repayments	(4.7)	(3.1)
Short-term repayments, net	0.0	(9.5)
Payment of debt issuance and other financing costs	0.0	(6.9)
Repurchase of common stock	0.0	(70.0)
Dividends paid to Lear Corporation stockholders	(15.7)	(47.8)
Other, net	(9.3)	(14.1)
Net cash provided by (used in) financing activities	(29.7)	850.6
Effect of foreign currency translation	(10.9)	(31.3)
Net Change in Cash, Cash Equivalents and Restricted Cash	64.0	951.5
Cash, Cash Equivalents and Restricted Cash as of Beginning of Period	1,314.5	1,510.4
Cash, Cash Equivalents and Restricted Cash as of End of Period	1,378.5	2,461.9
Changes in Working Capital Items:
Accounts receivable	(227.3)	415.6
Inventories	(87.4)	(113.8)
Accounts payable	42.6	(247.6)
Accrued liabilities and other	169.7	(77.4)
Net change in working capital items	(102.4)	(23.2)
Supplementary Disclosure:
Cash paid for interest	14.6	34.5
Cash paid for income taxes, net of refunds received	$ 31.0	$ 35.8