Discontinued Operations (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Discontinued Operations and Disposal Groups [Abstract]
Revenue	$ 115,560,000	$ 118,338,000	$ 202,926,000	$ 227,163,000
(Loss) gain on sale, net of taxes	(18,668,000)	1,860,000	(18,668,000)	1,860,000
Earnings from operations before taxes	12,968,000	12,428,000	18,577,000	18,162,000
Benefit from (provision for) income taxes	41,397,000	(5,343,000)	48,802,000	(1,423,000)
Earnings from operations, net of tax	54,365,000	7,085,000	67,379,000	16,739,000
Earnings from discontinued operations, net of tax	35,697,000	8,945,000	48,711,000	18,599,000
Tax benefits recognized	42,688,000		52,454,000
Deferred tax benefit recognized	25,520,000
Goodwill impairment loss, gross	54,532,000
Goodwill impairment loss, net of tax	44,188,000
Assets of Discontinued Operations
Accounts receivable	80,069,000		80,069,000		63,229,000
Inventories, net	53,380,000		53,380,000		51,252,000
Prepaid and other current assets	17,289,000		17,289,000		10,263,000
Current assets	150,738,000		150,738,000		124,744,000
Property, plant and equipment, net	34,536,000		34,536,000		31,935,000
Goodwill and intangible assets, net	182,725,000		182,725,000		238,657,000
Other assets and deferred charges	3,825,000		3,825,000		2,209,000
Total assets of discontinued operations	371,824,000		371,824,000		397,545,000
Liabilities of Discontinued Operations
Accounts payable	29,084,000		29,084,000		22,613,000
Other current liabilities	30,553,000		30,553,000		34,592,000
Current liabilities	59,637,000		59,637,000		57,205,000
Deferred income taxes	30,404,000		30,404,000		64,853,000
Other liabilities	42,144,000		42,144,000		86,900,000
Total liabilities of discontinued operations	$ 132,185,000		$ 132,185,000		$ 208,958,000