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Stock Repurchase and Dividends - Narrative (Details) - USD ($)		3 Months Ended			6 Months Ended		12 Months Ended
	Apr. 29, 2019	Mar. 31, 2019	Dec. 30, 2018	Apr. 01, 2018	Mar. 31, 2019	Apr. 01, 2018	Sep. 30, 2018	Nov. 05, 2018
Subsequent Event [Line Items]
Stock purchases		$ 25,000,000		$ 25,000,000	$ 50,000,000	$ 50,000,000
Subsequent Event
Subsequent Event [Line Items]
Quarterly cash dividend declared (in dollars per share)	$ 0.15
November 5, 2018 Stock Repurchase Program
Subsequent Event [Line Items]
Maximum repurchase amount under stock repurchase program								$ 200,000,000
Stock purchases		$ 25,000,000
Stock repurchases (in shares)		449,055
Average price of shares repurchased (in dollars per share)		$ 55.67
Previous Stock Repurchase Program
Subsequent Event [Line Items]
Remaining authorized amount under share repurchase program								$ 25,000,000
Stock purchases			$ 25,000,000				$ 75,000,000
Stock repurchases (in shares)			430,559				1,491,569
Average price of shares repurchased (in dollars per share)			$ 58.06				$ 50.28

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