CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
OPERATING ACTIVITIES:
Net income (loss)	$ (60,591)	$ 16,508	$ 3,748
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities:
Depreciation	24,372	28,989	28,519
Amortization, including accretion of debt discount	5,709	6,236	6,802
Deferred income taxes	(3,238)	(3,081)	(2,733)
Earnings of equity method investee	(815)	(476)	(760)
Loss (gain) on sale of fixed assets	110	189	(268)
Share-based compensation expense	5,406	4,974	4,890
Goodwill impairment charge (benefit)	51,458
Loss on disposal of Wiring business	8,576
Loss on early extinguishment of debt	10,607
Changes in operating assets and liabilities, net of effect of business acquisitions:
Accounts receivable, net	(19,400)	4,122	19,466
Inventories, net	3,161	(23,646)	20,995
Prepaid expenses and other	(1,306)	(2,585)	1,772
Accounts payable	524	9,485	(7,282)
Accrued expenses and other	(4,758)	2,969	396
Net cash provided by operating activities	19,815	43,684	75,545
INVESTING ACTIVITIES:
Capital expenditures	(24,754)	(25,344)	(26,352)
Proceeds from sale of fixed assets	110	107	521
Proceeds from sale of Wiring business	71,386
Business acquisition	(1,022)		(19,779)
Net cash provided by (used for) investing activities	45,720	(25,237)	(45,610)
FINANCING ACTIVITIES:
Revolving credit facility borrowings	100,000		21,579
Revolving credit facility payments		(1,160)	(59,600)
Extinguishment of senior notes	(175,000)
Premium related to early extinguishment of senior notes	(8,006)
Proceeds from issuance of other debt	30,072	25,555	22,146
Repayments of other debt	(25,610)	(24,382)	(48,327)
Noncontrolling interest shareholder distribution	(1,083)
Other financing costs	(1,666)
Repurchase of Common Shares to satisfy employee tax withholding	(765)	(516)	(1,273)
Net cash used for financing activities	(82,058)	(503)	(65,475)
Effect of exchange rate changes on cash and cash equivalents	(3,281)	326	1,364
Net change in cash and cash equivalents	(19,804)	18,270	(34,176)
Cash and cash equivalents at beginning of period	62,825	44,555	78,731
Cash and cash equivalents at end of period	43,021	62,825	44,555
Supplemental disclosure of cash flow information:
Cash paid for interest	20,464	18,634	20,317
Cash paid for income taxes, net	3,054	6,426	4,345
Supplemental disclosure of non-cash financing activities:
Change in fair value of interest rate swap	(793)	(1,419)	1,134
Bank payment of vendor payables under short-term debt obligations	4,758
Issuance of Common Shares for acquisition of additional PST interest			$ 10,197