Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net income	$ 125,223	$ 126,021
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	10,024	7,969
Amortization of intangible assets	15,721	19,533
Amortization of original issue discount	2,573	1,615
Amortization of deferred financing costs	2,272	1,932
Amortization of unrealized loss on interest rate swaps		2,381
Loss on extinguishment of debt	1,836	15,336
Gain on change in contractual interest rate	(16,014)
Gain on remeasurement of contingent consideration	(4,877)
Provision for losses on accounts receivable	344	880
Deferred income taxes	35,572	57,363
Loss on disposal of property and equipment	135	369
Share-based compensation expense	9,403	9,471
Net changes in operating assets and liabilities:
Accounts receivable	(28,747)	(16,268)
Inventories	(9,501)	(61,310)
Other assets	2,768	(5)
Accounts payable	20,215	(6,605)
Accrued wages and employee benefits	(12,037)	5,527
Other accrued liabilities	(3,232)	495
Excess tax benefits from equity awards	(9,167)	(9,491)
Net cash provided by operating activities	142,511	155,213
Investing Activities
Proceeds from sale of property and equipment	7	75
Expenditures for property and equipment	(22,722)	(14,257)
Proceeds from sale of business, net		2,254
Acquisition of business	(5,309)	(73,961)
Net cash used in investing activities	(28,024)	(85,889)
Financing Activities
Proceeds from short-term borrowings	4,900	16,007
Proceeds from long-term borrowings		1,200,000
Repayments of short-term borrowings	(24,741)	(10,544)
Repayments of long-term borrowings and capital lease obligations	(68,905)	(897,932)
Payment of debt issuance costs	(4)	(21,935)
Cash dividends paid	(705)	(343,424)
Taxes paid related to the net share settlement of equity awards	(10,255)	(12,468)
Excess tax benefits from equity awards	9,167	9,491
Proceeds from exercise of stock options	21	32
Net cash used in financing activities	(90,522)	(60,773)
Effect of exchange rate changes on cash and cash equivalents	(950)	(53)
Net increase in cash and cash equivalents	23,015	8,498
Cash and cash equivalents at beginning of period	150,147	108,023
Cash and cash equivalents at end of period	$ 173,162	$ 116,521