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Consolidated Statements of Stockholder's Equity - USD ($) shares in Thousands, $ in Thousands | Total | Cumulative Effect Period of Adoption Adjustment | Net Investment Hedging | Common Stock | Additional Paid-In Capital | Retained Earnings (Accumulated Deficit) | Retained Earnings (Accumulated Deficit) Cumulative Effect Period of Adoption Adjustment | Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Loss Net Investment Hedging
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Sep. 30, 2019 | $ 1,201,998 | $ (1,572) |  | $ 1,149 | $ 1,502,949 | $ (191,390) | $ (1,572) | $ (110,710) |
Beginning balance (in shares) at Sep. 30, 2019 |  |  |  | 114,899 |  |  |  |  |
Accounting Standards Update [Extensible List] |  | Accounting Standards Update 2016-02 |  |  |  |  | Accounting Standards Update 2016-02 |  |
Common stock issued for employee stock-based awards |  |  |  | $ 14 | (14) |  |  |  |
Common stock issued for employee stock-based awards (in shares) |  |  |  | 1,370 |  |  |  |  |
Shares surrendered by employees to pay taxes related to stock-based awards | (33,232) |  |  | $ (4) | (33,228) |  |  |  |
Shares surrendered by employees to pay taxes related to stock-based awards (in shares) |  |  |  | (449) |  |  |  |  |
Common stock issued for employee stock purchase plan | 8,980 |  |  | $ 1 | 8,979 |  |  |  |
Common stock issued for employee stock purchase plan (in shares) |  |  |  | 156 |  |  |  |  |
Compensation expense from stock-based awards | 73,605 |  |  |  | 73,605 |  |  |  |
Net income | 77,289 |  |  |  |  | 77,289 |  |  |
Unrealized gain (loss) on net investment hedges, net of tax |  |  | $ (3,790) |  |  |  |  |  | $ (3,790)
Foreign currency translation adjustment | 2,677 |  |  |  |  |  |  | 2,677 |
Unrealized gain (loss) on available-for-sale securities, net of tax | 278 |  |  |  |  |  |  | 278 |
Change in pension benefits, net of tax | 1,334 |  |  |  |  |  |  | 1,334 |
Ending balance at Jun. 27, 2020 | 1,327,567 |  |  | $ 1,160 | 1,552,291 | (115,673) |  | (110,211) |
Ending balance (in shares) at Jun. 27, 2020 |  |  |  | 115,976 |  |  |  |  |
Beginning balance at Mar. 28, 2020 | 1,274,081 |  |  | $ 1,157 | 1,536,770 | (150,351) |  | (113,495) |
Beginning balance (in shares) at Mar. 28, 2020 |  |  |  | 115,695 |  |  |  |  |
Common stock issued for employee stock-based awards |  |  |  | $ 4 | (4) |  |  |  |
Common stock issued for employee stock-based awards (in shares) |  |  |  | 412 |  |  |  |  |
Shares surrendered by employees to pay taxes related to stock-based awards | (9,661) |  |  | $ (1) | (9,660) |  |  |  |
Shares surrendered by employees to pay taxes related to stock-based awards (in shares) |  |  |  | (131) |  |  |  |  |
Compensation expense from stock-based awards | 25,185 |  |  |  | 25,185 |  |  |  |
Net income | 34,678 |  |  |  |  | 34,678 |  |  |
Unrealized gain (loss) on net investment hedges, net of tax |  |  | (1,148) |  |  |  |  |  | (1,148)
Foreign currency translation adjustment | 3,089 |  |  |  |  |  |  | 3,089 |
Unrealized gain (loss) on available-for-sale securities, net of tax | 822 |  |  |  |  |  |  | 822 |
Change in pension benefits, net of tax | 521 |  |  |  |  |  |  | 521 |
Ending balance at Jun. 27, 2020 | 1,327,567 |  |  | $ 1,160 | 1,552,291 | (115,673) |  | (110,211) |
Ending balance (in shares) at Jun. 27, 2020 |  |  |  | 115,976 |  |  |  |  |
Beginning balance at Sep. 30, 2020 | $ 1,438,248 |  |  | $ 1,161 | 1,602,728 | (62,267) |  | (103,374) |
Beginning balance (in shares) at Sep. 30, 2020 | 116,125 |  |  | 116,125 |  |  |  |  |
Common stock issued for employee stock-based awards |  |  |  | $ 15 | (15) |  |  |  |
Common stock issued for employee stock-based awards (in shares) |  |  |  | 1,470 |  |  |  |  |
Shares surrendered by employees to pay taxes related to stock-based awards | $ (52,194) |  |  | $ (4) | (52,190) |  |  |  |
Shares surrendered by employees to pay taxes related to stock-based awards (in shares) |  |  |  | (459) |  |  |  |  |
Common stock issued for employee stock purchase plan | 10,484 |  |  | $ 1 | 10,483 |  |  |  |
Common stock issued for employee stock purchase plan (in shares) |  |  |  | 144 |  |  |  |  |
Compensation expense from stock-based awards | 133,896 |  |  |  | 133,896 |  |  |  |
Net income | 183,980 |  |  |  |  | 183,980 |  |  |
Unrealized gain (loss) on net investment hedges, net of tax |  |  | (1,559) |  |  |  |  |  | (1,559)
Foreign currency translation adjustment | 10,581 |  |  |  |  |  |  | 10,581 |
Unrealized gain (loss) on available-for-sale securities, net of tax | (307) |  |  |  |  |  |  | (307) |
Change in pension benefits, net of tax | 1,829 |  |  |  |  |  |  | 1,829 |
Ending balance at Jun. 30, 2021 | $ 1,724,958 |  |  | $ 1,173 | 1,694,902 | 121,713 |  | (92,830) |
Ending balance (in shares) at Jun. 30, 2021 | 117,280 |  |  | 117,280 |  |  |  |  |
Beginning balance at Mar. 31, 2021 | $ 1,650,533 |  |  | $ 1,169 | 1,676,791 | 70,510 |  | (97,937) |
Beginning balance (in shares) at Mar. 31, 2021 |  |  |  | 116,855 |  |  |  |  |
Common stock issued for employee stock-based awards |  |  |  | $ 6 | (6) |  |  |  |
Common stock issued for employee stock-based awards (in shares) |  |  |  | 608 |  |  |  |  |
Shares surrendered by employees to pay taxes related to stock-based awards | (24,953) |  |  | $ (2) | (24,951) |  |  |  |
Shares surrendered by employees to pay taxes related to stock-based awards (in shares) |  |  |  | (183) |  |  |  |  |
Compensation expense from stock-based awards | 43,068 |  |  |  | 43,068 |  |  |  |
Net income | 51,203 |  |  |  |  | 51,203 |  |  |
Unrealized gain (loss) on net investment hedges, net of tax |  |  | $ (1,797) |  |  |  |  |  | $ (1,797)
Foreign currency translation adjustment | 6,457 |  |  |  |  |  |  | 6,457 |
Unrealized gain (loss) on available-for-sale securities, net of tax | 0 |  |  |  |  |  |  |  |
Change in pension benefits, net of tax | 447 |  |  |  |  |  |  | 447 |
Ending balance at Jun. 30, 2021 | $ 1,724,958 |  |  | $ 1,173 | $ 1,694,902 | $ 121,713 |  | $ (92,830) |
Ending balance (in shares) at Jun. 30, 2021 | 117,280 |  |  | 117,280 |  |  |  |  |

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