Condensed Consolidated Balance Sheets - Unaudited - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 30, 2016
Current assets:
Cash and cash equivalents	$ 46,533	$ 52,116
Accounts receivable, net of allowance for doubtful accounts of $0.7 million in each period	212,607	204,626
Inventories	235,562	225,151
Refundable income taxes	8,024	13,388
Prepaid expenses and other current assets	21,367	22,026
Total current assets	524,093	517,307
Property, plant and equipment, net	373,094	372,042
Goodwill	981,333	967,326
Other intangible assets, net	934,672	940,060
Deferred income taxes	4,181	3,970
Other assets	27,558	31,838
Total assets	2,844,931	2,832,543
Current liabilities:
Current portion of long-term debt	25,781	31,344
Accounts payable	95,123	77,896
Income taxes payable	2,279	3,699
Accrued expenses	72,766	72,281
Total current liabilities	195,949	185,220
Long-term debt	1,639,499	1,698,819
Deferred income taxes	210,361	208,579
Other long-term liabilities	15,989	14,686
Total liabilities	2,061,798	2,107,304
Stockholders’ equity:
Common stock, $0.001 par value; 100,000,000 shares authorized; 31,497,758 and 31,059,038 shares issued, respectively; 31,394,605 and 30,925,496 shares outstanding, respectively	31	31
Additional paid-in capital	652,365	637,955
Treasury stock, at cost, 103,153 and 133,542 shares, respectively	(4,506)	(5,834)
Retained earnings	108,040	109,087
Accumulated other comprehensive income (loss)	27,203	(16,000)
Total stockholders’ equity	783,133	725,239
Total liabilities and stockholders’ equity	$ 2,844,931	$ 2,832,543