
(in millions of U.S. Dollars)	December 26, 2021	June 27, 2021
Billed trade receivables	$107.5	$95.6
Unbilled contract receivables	3.1	0.6
Royalties	0.3	0.5
	110.9	96.7

Allowance for bad debts	(0.9)	(0.8)
Accounts receivable, net	$110.0	$95.9


(in millions of U.S. Dollars)			December 26, 2021
Balance at beginning of period			$0.8
Current period provision change			0.1
Write-offs, net of recoveries			—
Balance at end of period			$0.9


(in millions of U.S. Dollars)	December 26, 2021	June 27, 2021
Raw material	$48.0	$43.3
Work-in-progress	133.8	109.5
Finished goods	16.8	13.8
Inventories	$198.6	$166.6


(in millions of U.S. Dollars)	December 26, 2021	June 27, 2021
Reimbursement receivable on long-term incentive agreement	$97.5	$4.6
Accrued interest receivable	3.9	5.5
Receivable on Wafer Supply Agreement	2.2	7.0
Inventory related to Wafer Supply Agreement	2.8	3.9
Deferred product costs	2.2	1.8
Other	3.4	5.1
Other current assets	$112.0	$27.9


(in millions of U.S. Dollars)	December 26, 2021	June 27, 2021
Accounts payable, trade	$46.8	$44.2
Accrued salaries and wages	57.9	69.5
Accrued property and equipment	135.7	248.3
Accrued expenses	20.5	17.4
Other	4.6	1.7
Accounts payable and accrued expenses	$265.5	$381.1


	Three months ended		Six months ended
(in millions of U.S. Dollars)	December 26, 2021	December 27, 2020	December 26, 2021	December 27, 2020
Factory optimization restructuring	$2.1	$1.3	$4.7	$2.9

Severance and other restructuring	—	—	—	2.8
Total restructuring costs	2.1	1.3	4.7	5.7
Project, transformation and transaction costs	2.5	0.1	4.1	1.3
Factory optimization start-up costs	11.0	1.2	19.6	4.2



Other operating expense	$15.6	$2.6	$28.4	$11.2

Accumulated other comprehensive (loss) income, net of taxes, consisted of $1.7 million of net unrealized losses on available-for-sale securities and $2.7 million of net unrealized gains on available-for-sale securities as of December 26, 2021 and June 27, 2021, respectively. Amounts for both periods include a $2.4 million loss related to tax on unrealized loss on available-for-sale securities.

Reclassifications out of accumulated other comprehensive (loss) income were a $0.1 million gain and a $0.3 million gain for the three and six months ended December 26, 2021, respectively, and gains of $0.2 million for each of the three and six months ended December 27, 2020, respectively. Amounts were reclassified to non-operating expense, net on the consolidated statements of operations.


	Three months ended		Six months ended
(in millions of U.S. Dollars)	December 26, 2021	December 27, 2020	December 26, 2021	December 27, 2020
Foreign currency gain, net	($0.2)	($2.2)	($0.3)	($2.4)
Gain on sale of investments, net	(0.1)	(0.2)	(0.3)	(0.2)
Loss on debt extinguishment (1)	24.8	—	24.8	—

Gain on equity investment, net	—	(10.4)	—	(7.0)
Interest income	(2.4)	(2.2)	(5.0)	(4.9)
Interest expense, net of capitalized interest	5.3	11.9	12.0	25.0
Loss on Wafer Supply Agreement	0.1	—	0.9	—
Other, net	0.3	—	(0.2)	0.3
Non-operating expense, net	$27.8	($3.1)	$31.9	$10.8

(1) As discussed further in Note 9, "Long-term Debt," in the second quarter of fiscal 2022, all outstanding 0.875% convertible senior notes due September 1, 2023 (the 2023 Notes) were surrendered for conversion, resulting in the settlement of all outstanding 2023 Notes in shares, with fractional shares paid in cash.


	Six months ended
	December 26, 2021	December 27, 2020
Lease asset and liability additions	$5.6	$1.2
Lease asset and liability modifications, net	2.9	0.2
Lease terminations	(0.2)	—
Transfer of finance lease liability to accounts payable and accrued expenses (1)	—	4.2
Settlement of 2023 Notes in shares of common stock (2)	416.1	—
Decrease in property, plant and equipment from long-term incentive related receivables	81.1	—

(1) In the first quarter of fiscal 2021, the Company executed the available bargain purchase option for certain finance leases relating to property and equipment, net, in order to purchase the assets.

(2) As discussed further in Note 9, "Long-term Debt," in the second quarter of fiscal 2022, all outstanding 2023 Notes were surrendered for conversion, resulting in the settlement of all outstanding 2023 Notes in shares, with fractional shares paid in cash.

Accrued property and equipment as of December 26, 2021 and December 27, 2020 was $135.7 million and $145.0 million, respectively.