Share-Based Compensation (RSU Activity) (Details) - $ / shares shares in Thousands			3 Months Ended
	Nov. 02, 2019	Nov. 02, 2017	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercisable (shares)			4,177
Shares
Forfeited			4
Weighted Average Grant Date Fair Value/Share
Weighted average grant date fair value, forfeited (in dollars per share)			$ 6.47
Weighted average exercise price, options vested and expected to vest (in dollars per share)			$ 11.07
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercisable (shares)			836
Shares
Outstanding at beginning of the period (shares)			750
Granted			114
Vested in period (shares)	(1,158)	(1,197)	(1)
Forfeited			2
Outstanding at beginning of the period			854
Weighted Average Grant Date Fair Value/Share
Weighted average grant date fair value, nonvested, equity instruments other than options, beginning of the period (in dollar per share)			$ 17.86
Weighted average grant date fair value, granted (in dollars per share)			24.51
Weighted average grant date fair value, vested (in dollars per share)			24.25
Weighted average grant date fair value, forfeited (in dollars per share)			16.31
Weighted average grant date fair value, nonvested, equity instruments other than options, end of the period (in dollar per share)			18.71
Weighted average exercise price, options vested and expected to vest (in dollars per share)			$ 18.63
Cancelled (shares)			(7)
Weighted average exercise price, cancelled (in dollars per share)			$ 21.22