CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 48,792	$ 1,508
Accounts receivable, net	134,079	146,346
Inventories	66,439	69,138
Income taxes receivable	1,389	13,079
Other current assets	21,415	20,888
Total current assets	272,114	250,959
Non-current assets:
Property, plant and equipment, net	91,378	93,615
Goodwill	196,343	196,343
Other intangible assets, net	18,145	21,940
Deferred income taxes	74,897	68,126
Other assets	11,482	9,440
Total assets	664,359	640,423
Current liabilities:
Current portion of long-term debt	10,384	4,336
Accounts payable	50,313	48,269
Accrued expenses and other current liabilities	54,258	66,308
Accrued compensation related costs	31,082	53,380
Total current liabilities	146,037	172,293
Long-term liabilities:
Long-term debt, less current portion	504,157	445,928
Other liabilities	49,465	50,253
Total liabilities	699,659	668,474
Commitments and contingencies (Note O)
Shareholders' deficit:
Common stock, $0.01 par value; 60,000,000 shares authorized; 36,992,892 shares issued and 36,850,071 shares outstanding in 2018, and 36,515,232 shares issued and 36,372,411 shares outstanding in 2017	370	365
Additional paid-in capital	337,175	333,738
Accumulated other comprehensive loss	(1,928)	(1,686)
Accumulated deficit	(370,221)	(359,772)
Treasury stock, at cost; 142,821 shares at 2018 and 2017, respectively	(696)	(696)
Total shareholders' deficit	(35,300)	(28,051)
Total liabilities and shareholders' deficit	$ 664,359	$ 640,423