Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 02, 2016	Jul. 03, 2016	Apr. 03, 2016	Dec. 31, 2015	Oct. 04, 2015	Jul. 05, 2015	Apr. 05, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 29, 2014
Quarterly financial information [Line Items]
Net revenues	$ 158,236	$ 134,833	$ 146,392	$ 150,798	$ 164,243	$ 159,258	$ 166,906	$ 165,860	$ 590,259	$ 656,267	$ 841,446
Gross profit	49,097	42,354	46,431	45,233	50,496	45,393	50,794	52,649	183,115	199,332	257,020
Net income	$ (2,002)	$ 4,418	$ 3,813	$ 3,872	$ 7,156	$ (8,078)	$ 1,872	$ 8,912	$ 10,101	$ 9,863	$ 50,386
Basic	$ (0.12)	$ 0.27	$ 0.23	$ 0.24	$ 0.44	$ (0.49)	$ 0.11	$ 0.50	$ 0.62	$ 0.59	$ 2.85
Earnings (loss) per common share: Diluted	(0.12)	0.27	0.23	0.23	0.43	(0.49)	0.11	0.50	0.61	0.58	2.84
Dividends paid per common share	0.0375	0.0375	0.0375	0.0375	0.0375	0.0375	0.0375	0.0375	0.15	0.15	$ 0.15
Maximum [Member]
Quarterly financial information [Line Items]
Stock Price range	68.90	62.76	61.38	47.55	46.80	50.93		60.13	68.90	46.80		$ 58.70
Minimum [Member]
Quarterly financial information [Line Items]
Stock Price range	$ 48.14	$ 53.61	$ 45.87	$ 32.94	$ 39.63	$ 39.99	$ 52.87	$ 49.21	$ 48.14	$ 39.63