XML 27 R16.htm IDEA: XBRL DOCUMENT
v3.22.2

Common Stock Repurchase Program | 6 Months Ended
--- | ---
Jun. 30, 2022
Disclosure Common Stock Repurchase Program Additional Information [Abstract] |
Common Stock Repurchase Program | Common Stock Repurchase Program In May 2018, our Board of Directors authorized a plan to repurchase up to $600.0 million of our common stock (“May 2018 Repurchase Program”). As of December 31, 2021, the authorization under the May 2018 Repurchase Program was completed. In May 2021, our Board of Directors authorized a plan to repurchase up to $1.0 billion of our common stock (“May 2021 Repurchase Program”). As of June 30, 2022, we have $449.9 million available for repurchases under the May 2021 Repurchase Program. Accelerated Share Repurchase Agreements (“ASRs”) During the six months ended June 30, 2022 and 2021, we entered into ASRs providing for the repurchase of our common stock based on the volume-weighted average price during the term of the agreement, less an agreed upon discount. The following table summarizes the information regarding repurchases of our common stock under ASRs:
Agreement Date |  | Repurchase Program |  | Amount Paid (in millions) |  | Completion Date |  | Total Shares Received |  | Average Price per Share
Q2 2021 |  | May 2018 |  | $ | 100.0 |  |  | Q3 2021 |  | 171,322 |  |  | $ | 583.70 |
Q2 2021 |  | May 2021 |  | $ | 100.0 |  |  | Q3 2021 |  | 161,707 |  |  | $ | 618.40 |
Q2 2022 |  | May 2021 |  | $ | 200.0 |  |  | Q2 2022 |  | 756,502 |  |  | $ | 264.37 |
Open Market Common Stock Repurchases During the six months ended June 30, 2022, we repurchased on the open market approximately 0.1 million shares of our common stock at an average price of $522.61 per share, including commissions and fees, for an aggregate purchase price of $75.0 million.

X
- Definition Disclosure - Common Stock Repurchase Program - Additional Information [Abstract] + References No definition available. + Details
Name: | algn_DisclosureCommonStockRepurchaseProgramAdditionalInformationAbstract
Namespace Prefix: | algn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Repurchase Program Disclosure + References No definition available. + Details
Name: | algn_StockRepurchaseProgramDisclosureTextBlock
Namespace Prefix: | algn_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration