Common Shares and Net Income (Loss) per Common Share - Additional Information (Details) - USD ($)		3 Months Ended	6 Months Ended
May 01, 2018	Jun. 30, 2018	Jun. 30, 2018	Jul. 01, 2017
Earnings Per Share [Abstract]
Stock repurchase program, authorized amount	$ 50,000,000.0
Stock repurchase program, period in force	12 months
Stock repurchased during period (in shares)		995,381
Stock repurchased during period		$ 16,000,000	$ 21,700,000	$ 1,800,000

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Balance Type:	debit
Period Type:	duration