CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Net sales	$ 502,198us-gaap_SalesRevenueNet	$ 543,996us-gaap_SalesRevenueNet
Cost of sales	276,157us-gaap_CostOfGoodsAndServicesSold	299,576us-gaap_CostOfGoodsAndServicesSold
Gross profit	226,041us-gaap_GrossProfit	244,420us-gaap_GrossProfit
Selling, general and administrative expenses	124,284	130,585
Operating income	101,757us-gaap_OperatingIncomeLoss	113,835us-gaap_OperatingIncomeLoss
Other (income) expense — net	(1,723)us-gaap_OtherNonoperatingIncomeExpense	(844)us-gaap_OtherNonoperatingIncomeExpense
Interest expense	10,597us-gaap_InterestExpense	10,457us-gaap_InterestExpense
Income before income taxes	92,883	104,222
Provision for income taxes	26,929us-gaap_IncomeTaxExpenseBenefit	29,674us-gaap_IncomeTaxExpenseBenefit
Net income	$ 65,954us-gaap_NetIncomeLoss	$ 74,548us-gaap_NetIncomeLoss
Basic earnings per common share (in dollars per share)	$ 0.84us-gaap_EarningsPerShareBasic	$ 0.92us-gaap_EarningsPerShareBasic
Diluted earnings per common share (in dollars per share)	$ 0.84us-gaap_EarningsPerShareDiluted	$ 0.91us-gaap_EarningsPerShareDiluted
Share data:
Basic weighted average common shares outstanding (in shares)	77,996	80,527
Diluted weighted average common shares outstanding (in shares)	78,856	81,575

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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