| Schedule of Quarterly Financial Information [Table Text Block] |
A summary of the company's consolidated quarterly results of operations is as follows:
| | | | | | | | | | | | | | | | | | | | | First Quarter | | Second Quarter | | Third Quarter | | Fourth Quarter | | 2012 | | | | | | | | | | | | | | Sales | | $ | 4,889,529 |
| | $ | 5,150,563 |
| | $ | 4,962,331 |
| | $ | 5,402,705 |
| | Gross profit | | | 680,579 |
| | | 687,144 |
| | | 662,719 |
| | | 706,844 |
| | Net income attributable to shareholders | | | 113,628 |
| (b) | | 114,383 |
| (c) | | 103,617 |
| (d) | | 174,704 |
| (e) | | | | | | | | | | | | | | | Net income per share (a): | | | | | | | | | | | | | | Basic | | $ | 1.01 |
| (b) | $ | 1.04 |
| (c) | $ | .96 |
| (d) | $ | 1.64 |
| (e) | Diluted | | $ | 1.00 |
| (b) | $ | 1.02 |
| (c) | $ | .94 |
| (d) | $ | 1.62 |
| (e) | | | | | | | | | | | | | | | 2011 | | | | | | | | | | | | | | Sales | | $ | 5,223,003 |
| | $ | 5,539,931 |
| | $ | 5,186,857 |
| | $ | 5,440,473 |
| | Gross profit | | | 722,508 |
| | | 770,147 |
| | | 711,139 |
| | | 744,809 |
| | Net income attributable to shareholders | | | 136,309 |
| (f) | | 156,197 |
| (g) | | 132,216 |
| (h) | | 174,088 |
| (i) | | | | | | | | | | | | | | | Net income per share (a): | | | | | | | | | | | | | | Basic | | $ | 1.18 |
| (f) | $ | 1.35 |
| (g) | $ | 1.17 |
| (h) | $ | 1.55 |
| (i) | Diluted | | $ | 1.16 |
| (f) | $ | 1.33 |
| (g) | $ | 1.15 |
| (h) | $ | 1.53 |
| (i) |
| | (a) | Quarterly net income per share is calculated using the weighted-average number of shares outstanding during each quarterly period, while net income per share for the full year is calculated using the weighted-average number of shares |
outstanding during the year. Therefore, the sum of the net income per share for each of the four quarters may not equal the net income per share for the full year.
| | (b) | Includes restructuring, integration, and other charges ($6,141 net of related taxes or $.05 per share on both a basic and diluted basis). |
| | (c) | Includes restructuring, integration, and other charges ($9,702 net of related taxes or $.09 per share on both a basic and diluted basis). |
| | (d) | Includes restructuring, integration, and other charges ($8,576 net of related taxes or $.08 per share on both a basic and diluted basis). |
| | (e) | Includes restructuring, integration, and other charges ($6,320 net of related taxes or $.06 per share on both a basic and diluted basis) and a gain on the settlement of a legal matter ($48,623 net of related taxes or $.46 and $.45 per share on a basic and diluted basis, respectively). |
| | (f) | Includes restructuring, integration, and other charges ($7,199 net of related taxes or $.06 per share on both a basic and diluted basis), a charge related to the settlement of a legal matter ($3,609 net of related taxes or $.03 per share on both a basic and diluted basis), and a gain on bargain purchase ($1,078 net of related taxes or $.01 per share on both a basic and diluted basis). |
| | (g) | Includes restructuring, integration, and other charges ($3,584 net of related taxes or $.03 per share on both a basic and diluted basis). |
| | (h) | Includes restructuring, integration, and other charges ($6,048 net of related taxes or $.05 per share on both a basic and diluted basis). |
| | (i) | Includes restructuring, integration, and other charges ($11,223 net of related taxes or $.10 per share on both a basic and diluted basis), an adjustment to the gain on bargain purchase recorded in the first quarter of 2011 ($410 net of related taxes), a loss on prepayment of debt ($549 net of related taxes), and a net reduction in the provision for income taxes ($28,928 net of related taxes or $.26 and $.25 per share on a basic and diluted basis, respectively) principally due to a reversal of valuation allowance on certain deferred tax assets. |
|