Pending Coherent Acquisition (Details) $ / shares in Units, $ in Millions			3 Months Ended
	Jun. 08, 2021 USD ($)	Mar. 31, 2021 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 d $ / shares shares	Jun. 30, 2022 $ / shares	Oct. 25, 2021 USD ($)	Sep. 30, 2021 $ / shares	Jun. 30, 2021 $ / shares	Mar. 25, 2021 USD ($)
Business Acquisition [Line Items]
Common stock, no par value (in usd per share)							$ 0	$ 0
Series B-1 Convertible Preferred Stock
Business Acquisition [Line Items]
Preferred stock, par value (in usd per share)		$ 0
Series B-1 Convertible Preferred Stock | Investment Agreement, BCPE Watson (DE) SPV, LP
Business Acquisition [Line Items]
Sale of stock, shares issued (in shares) | shares		75,000
Preferred stock, par value (in usd per share)		$ 0
Sale of stock, price per share (in usd per share)		$ 10,000
Aggregate purchase price of stock sold | $		$ 750
Series B-2 Convertible Preferred Stock | Over-Allotment Option II
Business Acquisition [Line Items]
Sale of stock, shares issued (in shares) | shares		35,000
Aggregate purchase price of stock sold | $	$ 2,200	$ 350
Scenario Forecast | Subsequent Event | Series B-2 Convertible Preferred Stock | Investment Agreement, BCPE Watson (DE) SPV, LP
Business Acquisition [Line Items]
Sale of stock, shares issued (in shares) | shares			105,000
Preferred stock, par value (in usd per share)			$ 0
Aggregate purchase price of stock sold | $			$ 1,100
Coherent Inc. | Debt Financing Under Commitment Letter
Business Acquisition [Line Items]
Debt financing commitment | $									$ 5,100
Coherent Inc. | Subsequent Event | Debt Financing Under Commitment Letter
Business Acquisition [Line Items]
Debt financing commitment | $						$ 4,990
Coherent Inc. | Scenario Forecast | Subsequent Event
Business Acquisition [Line Items]
Common stock, par value (in usd per share)					$ 0.01
Business combination, cash consideration paid per acquiree share				$ 220.00
Number of shares to be received (in shares) | shares				0.91
Common stock, no par value (in usd per share)				$ 0
Business combination, weighted average price of share, trading day period ending prior to closing | d				10
Business combination, qualifying termination, of acquiree, holder of converted restricted stock units, year one, acceleration vesting percentage			100.00%
Business combination, qualifying termination, of acquiree, holder of converted restricted stock units, year two, acceleration vesting percentage			50.00%