RESTRUCTURING (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended		3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended	30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended	3 Months Ended	6 Months Ended	30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended	30 Months Ended	6 Months Ended	12 Months Ended	30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended	30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended	30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended	6 Months Ended	12 Months Ended	30 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended		30 Months Ended	3 Months Ended	6 Months Ended	30 Months Ended	1 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2013 sqft	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2013	Sep. 30, 2012	Jun. 30, 2013 Capital Expenditures:	Mar. 31, 2013 Capital Expenditures:	Jun. 30, 2013 Capital Expenditures:	Dec. 31, 2012 Capital Expenditures:	Dec. 31, 2011 Capital Expenditures:	Jun. 30, 2013 Capital Expenditures:	Jun. 30, 2013 Capital Expenditures: Gearing	Mar. 31, 2013 Capital Expenditures: Gearing	Jun. 30, 2013 Capital Expenditures: Gearing	Dec. 31, 2012 Capital Expenditures: Gearing	Dec. 31, 2011 Capital Expenditures: Gearing	Jun. 30, 2013 Capital Expenditures: Gearing	Mar. 31, 2013 Capital Expenditures: Corporate	Jun. 30, 2013 Capital Expenditures: Corporate	Dec. 31, 2012 Capital Expenditures: Corporate	Jun. 30, 2013 Capital Expenditures: Corporate	Jun. 30, 2013 Non-Cash Expense:	Mar. 31, 2013 Non-Cash Expense:	Jun. 30, 2013 Non-Cash Expense:	Dec. 31, 2012 Non-Cash Expense:	Dec. 31, 2011 Non-Cash Expense:	Jun. 30, 2013 Non-Cash Expense:	Mar. 31, 2013 Non-Cash Expense: Towers	Jun. 30, 2013 Non-Cash Expense: Towers	Jun. 30, 2013 Non-Cash Expense: Towers	Jun. 30, 2013 Non-Cash Expense: Gearing	Mar. 31, 2013 Non-Cash Expense: Gearing	Jun. 30, 2013 Non-Cash Expense: Gearing	Dec. 31, 2012 Non-Cash Expense: Gearing	Dec. 31, 2011 Non-Cash Expense: Gearing	Jun. 30, 2013 Non-Cash Expense: Gearing	Mar. 31, 2013 Non-Cash Expense: Services	Jun. 30, 2013 Non-Cash Expense: Services	Dec. 31, 2012 Non-Cash Expense: Services	Jun. 30, 2013 Non-Cash Expense: Services	Jun. 30, 2013 Non-Cash Expense: Corporate	Dec. 31, 2011 Non-Cash Expense: Corporate	Jun. 30, 2013 Non-Cash Expense: Corporate	Jun. 30, 2013 Cost of sales: Cash Expense:	Mar. 31, 2013 Cost of sales: Cash Expense:	Jun. 30, 2013 Cost of sales: Cash Expense:	Dec. 31, 2012 Cost of sales: Cash Expense:	Dec. 31, 2011 Cost of sales: Cash Expense:	Jun. 30, 2013 Cost of sales: Cash Expense:	Jun. 30, 2013 Cost of sales: Cash Expense: Gearing	Mar. 31, 2013 Cost of sales: Cash Expense: Gearing	Jun. 30, 2013 Cost of sales: Cash Expense: Gearing	Dec. 31, 2012 Cost of sales: Cash Expense: Gearing	Dec. 31, 2011 Cost of sales: Cash Expense: Gearing	Jun. 30, 2013 Cost of sales: Cash Expense: Gearing	Jun. 30, 2013 Cost of sales: Cash Expense: Services	Mar. 31, 2013 Cost of sales: Cash Expense: Services	Jun. 30, 2013 Cost of sales: Cash Expense: Services	Dec. 31, 2012 Cost of sales: Cash Expense: Services	Jun. 30, 2013 Cost of sales: Cash Expense: Services	Jun. 30, 2013 Selling, general and administrative Cash Expense:	Mar. 31, 2013 Selling, general and administrative Cash Expense:	Jun. 30, 2013 Selling, general and administrative Cash Expense:	Dec. 31, 2012 Selling, general and administrative Cash Expense:	Dec. 31, 2011 Selling, general and administrative Cash Expense:	Jun. 30, 2013 Selling, general and administrative Cash Expense:	Jun. 30, 2013 Selling, general and administrative Cash Expense: Towers	Mar. 31, 2013 Selling, general and administrative Cash Expense: Towers	Jun. 30, 2013 Selling, general and administrative Cash Expense: Towers	Dec. 31, 2012 Selling, general and administrative Cash Expense: Towers	Jun. 30, 2013 Selling, general and administrative Cash Expense: Towers	Jun. 30, 2013 Selling, general and administrative Cash Expense: Gearing	Mar. 31, 2013 Selling, general and administrative Cash Expense: Gearing	Jun. 30, 2013 Selling, general and administrative Cash Expense: Gearing	Dec. 31, 2012 Selling, general and administrative Cash Expense: Gearing	Dec. 31, 2011 Selling, general and administrative Cash Expense: Gearing	Jun. 30, 2013 Selling, general and administrative Cash Expense: Gearing	Jun. 30, 2013 Selling, general and administrative Cash Expense: Services	Dec. 31, 2012 Selling, general and administrative Cash Expense: Services	Jun. 30, 2013 Selling, general and administrative Cash Expense: Services	Jun. 30, 2013 Selling, general and administrative Cash Expense: Corporate	Mar. 31, 2013 Selling, general and administrative Cash Expense: Corporate	Jun. 30, 2013 Selling, general and administrative Cash Expense: Corporate	Dec. 31, 2012 Selling, general and administrative Cash Expense: Corporate	Dec. 31, 2011 Selling, general and administrative Cash Expense: Corporate	Jun. 30, 2013 Selling, general and administrative Cash Expense: Corporate	Jun. 30, 2013 Other - Towers expected gain on Brandon Facility: Cash Expense:	Jun. 30, 2013 Other - Towers expected gain on Brandon Facility: Cash Expense:	Jun. 30, 2013 Other - Towers expected gain on Brandon Facility: Cash Expense:	Apr. 30, 2013 Brandon Facility sqft item
RESTRUCTURING
Percentage of facility footprint planned to be reduced through the sale and/or closure			40.00%
Area of facilities planned to be reduced through the sale and/or closure (in square feet)			600,000
Increase in liquidity as a result of the sale of manufacturing facility																																																																																												$ 8,000
Number of facilities for which agreement has been reached to close or reduce leased presence																																																																																												6
Area of facilities for which agreement has been reached to close or reduce leased presence																																																																																												400,000
Liability associated with environmental remediation costs	254		254			254	352
Restructuring charges incurred	(1,111)	1,967		5,092	874	6,822		817	636		2,596	5	4,054	817	359		2,072	5	3,253	277		524	801	550	454		1,224	297	2,525	290		290	550	179		1,166	247	2,142	(15)		58	43		50	50	1,001	276		533	131	1,941	886	157		308	131	1,482	115	119		225	459	107	601		739	441	1,888	37	78		130	245	67	65		520	35	687		40	40	3	458		49	406	916	(3,586)		(3,586)
Expected cost to be incurred to implement the restructuring plan			$ 12,736							$ 5,347						$ 4,546					$ 801					$ 5,373					$ 290				$ 4,990					$ 43			$ 50					$ 3,714						$ 3,255						$ 459					$ 1,888						$ 245					$ 687				$ 40					$ 916					$ (3,586)