Stockholders' Equity Repurchases of Common Stock (Details) - USD ($) shares in Thousands, $ in Thousands	1 Months Ended	3 Months Ended
	May 02, 2018	Apr. 01, 2018	Apr. 02, 2017	Feb. 15, 2018	Feb. 22, 2017
Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Shares, Acquired	1,102
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions	$ 18,899
Stock Repurchase Program, Cost Incurred	$ 15
$175,000 Share Repurch Program [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount				$ 175,000
Treasury Stock, Shares, Acquired		989
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions		$ 16,741
Stock Repurchase Program, Repurchase Accrual		1,294
Stock Repurchase Program, Cost Incurred		$ 14
$150,000 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount					$ 150,000
Treasury Stock, Shares, Acquired		1,385	1,319
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions		$ 22,633	$ 17,803
Stock Repurchase Program, Repurchase Accrual			1,797
Stock Repurchase Program, Cost Incurred		$ 19	$ 20